agonize over, alternate, back and fill, be all thumbs, be at sea, be hard put, be uncertain, beat about, blunder, blunder away, blunder into, blunder on, blunder upon, boggle, botch, bumble, bungle, butcher, capsize, careen, career, come a cropper, commit a gaffe, doubt, ebb and flow, fall, fall down, fall flat, fall headlong, fall over, fall prostrate, falter, faux pas, feel unsure, flounce, fluctuate, fumble, get a cropper, go through phases, grope, grovel, have trouble, heave, hobbyhorse, labor, labor under difficulties, list, lumber, lurch, make heavy weather, mar, miscue, muddle, muff, murder, oscillate, pendulate, pitch, pitch and plunge, pitch and toss, play havoc with, plunge, pound, puzzle over, question, rear, reel, ring the changes, rock, roll, scend, seesaw, seethe, shift, shuffle, slip, spoil, sprawl, spread-eagle, stagger, strive, struggle, stumble, sway, swing, take a fall, take a flop, take a header, take a pratfall, take a spill, teeter, teeter-totter, thrash about, tilt, toil, topple, topple down, topple over, toss, toss and tumble, toss and turn, totter, travail, trip, tumble, turn, turn turtle, vacillate, vary, volutation, walk on eggshells, wallop, wallow, waver, wax and wane, welter, wobble, wonder, wonder whether, yaw
be unskillful, not see an inch beyond one's nose, blunder, bungle, boggle, fumble, botch, bitch, flounder, stumble, trip, hobble, put one's foot in it, make a mess of, make hash of, make sad work of, overshoot the mark, play tricks with, play Puck, mismanage, misconduct, misdirect, misapply, missend, stultify oneself, make a fool of oneself, commit oneself, act foolishly, play the fool, put oneself out of court, lose control, lose control of oneself, lose one's head, lose one's cunning, begin at the wrong end, do things by halves, make two bites of a cherry, play at cross purposes, strain at a gnat and swallow a camel, put the cart before the horse, lock the stable door when the horse is stolen, not know what one is about, not know one's own interest, not know on which side one's bread is buttered, stand in one's own light, quarrel with one's bread and butter, throw a stone in one's own garden, kill the goose which lays the golden eggs, pay dear for one's whistle, cut one's own throat, bum one's fingers, knock one's head against a stone wall, beat one's head against a stone wall, fall into a trap, catch a Tartar, bring the house about one's ears, have too many eggs in one basket (imprudent), have too many irons in the fire, mistake, take the shadow for the substance, bark up the wrong tree, be in the wrong box, aim at a pigeon and kill a crow, take the wrong pig by the tail, get the wrong pig by the tail, get the wrong sow by the ear, get the dirty end of the stick, put the saddle on the wrong horse, put a square peg into a round hole, put new wine into old bottles, cut blocks with a razor, hold a farthing candle to the sun, fight with a shadow, grasp at a shadow, catch at straws, lean on a broken reed, reckon without one's host, pursue a wild goose chase, go on a fool's goose chase, sleeveless errand, go further and fare worse, lose one's way, miss one's way, fail.
be difficult, run one hard, go against the grain, try one's patience, put one out, put to one's shifts, put to one's wit's end, go hard with one, try one, pose, perplex, bother, nonplus, gravel, bring to a deadlock, be impossible, be in the way of, meet with difficulties, labor under difficulties, get into difficulties, plunge into difficulties, struggle with difficulties, contend with difficulties, grapple with difficulties, labor under a disadvantage, be in difficulty, fish in troubled waters, buffet the waves, swim against the stream, scud under bare poles, Have much ado with, have a hard time of it, come to the push, come to the pinch, bear the brunt, grope in the dark, lose one's way, weave a tangled web, walk among eggs, get into a scrape, bring a hornet's nest about one's ears, be put to one's shifts, flounder, boggle, struggle, not know which way to turn, perdre son Latin, stick at, stick in the mud, stick fast, come to a stand, come to a standstill, come to a deadlock, hold the wolf by the ears, hold the tiger by the tail, render difficult, enmesh, encumber, embarrass, ravel, entangle, put a spoke in the wheel, lead a pretty dance.
fail, be unsuccessful, not succeed, make vain efforts, do in vain, labor in vain, toil in vain, flunk, lose one's labor, take nothing by one's motion, bring to naught, make nothing of, wash a blackamoor white, roll the stones of Sisyphus, do by halves, lose ground, fall short of, miss, miss one's aim, miss the mark, miss one's footing, miss stays, slip, trip, stumble, make a slip, blunder, make a mess of, make a botch of, bitch it, miscarry, abort, go up like a rocket and come down like the stick, come down in flames, get shot down, reckon without one's host, get the wrong pig by the tail, get the wrong sow by the ear, limp, halt, hobble, titubate, fall, tumble, lose one's balance, fall to the ground, fall between two stools, flounder, falter, stick in the mud, run aground, split upon a rock, beat one's head against a stone wall, run one's head against a stone wall, knock one's head against a stone wall, dash one's head against a stone wall, break one's back, break down, sink, drown, founder, have the ground cut from under one, get into trouble, get into a mess, get into a scrape, come to grief, go to the wall, go to the dogs, go to pot, lick the dust, bite the dust, be defeated, have the worst of it, lose the day, come off second best, lose, fall a prey to, succumb, not have a leg to stand on, come to nothing, end in smoke, flat out, fall to the ground, fall through, fall dead, fall stillborn, fall flat, slip through one's fingers, hang fire, miss fire, flash in the pan, collapse, topple down, go to wrack and ruin, go amiss, go wrong, go cross, go hard with, go on a wrong tack, go on ill, come off ill, turn out ill, work ill, take a wrong term, take an ugly term, take an ugly turn, take a turn for the worse, be all over with, be all up with, explode, dash one's hopes, defeat the purpose, sow the wind and reap the whirlwind, jump out of the frying pan into the fire, go from the frying pan into the fire.
fluctuate, vary, waver, flounder, flicker, flitter, flit, flutter, shift, shuffle, shake, totter, tremble, vacillate, wamble, turn and turn about, ring the changes, sway to and fro, shift to and fro, change and change about, waffle, blow with the wind (irresolute), oscillate, vibrate between, two extremes, oscillate between, two extremes, alternate, have as man phases as the moon.
oscillate, vibrate, librate, alternate, undulate, wave, rock, swing, pulsate, beat, wag, waggle, nod, bob, courtesy, curtsy, tick, play, wamble, wabble, dangle, swag, fluctuate, dance, curvet, reel, quake, quiver, quaver, shake, flicker, wriggle, roll, toss, pitch, flounder, stagger, totter, move up and down, bob up and down, pass and repass, ebb and flow, come and go, vacillate, teeter, brandish, shake, flourish.
be agitated, shake, tremble, tremble like an aspen leaf, quiver, quaver, quake, shiver, twitter, twire, writhe, toss, shuffle, tumble, stagger, bob, reel, sway, wag, waggle, wriggle, wriggle like an eel, dance, stumble, shamble, flounder, totter, flounce, flop, curvet, prance, cavort, squirm, throb, pulsate, beat, palpitate, go pitapat, flutter, flitter, flicker, bicker, bustle, ferment, effervesce, foam, boil, boil over, bubble up, simmer, toss about, jump about, jump like a parched pea, shake like an aspen leaf, shake to its center, shake to its foundations, be the sport of the winds and waves, reel to and fro like a drunken man, move from post to pillar and from pillar to post, drive from post to pillar and from pillar to post, keep between hawk and buzzard, agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, jerk, hitch, jolt, jog, joggle, jostle, buffet, hustle, disturb, stir, shake up, churn, jounce, wallop, whip, vellicate.
be uncertain, wonder whether, lose the clue, lose the clew, scent, miss one's way, not know what to make of, not know which way to turn, not know whether one stands on one s head or one's, float in a sea of doubt, hesitate, flounder, lose oneself, lose one's head, muddle one's brains, render uncertain, put out, pose, puzzle, perplex, embarrass, confuse, confound, bewilder, bother, molder, addle the wits, throw off the scent, ambiguas in vulgus spargere voces, keep in suspense, doubt, hang in the balance, tremble in the balance, depend.