act vs look sharp

Other hyponyms of act include acquit, act, bear, behave, carry, comport, conduct, deport, do, alternate, take turns, end up, fetch up, finish, finish up, land up, wind up, festinate, hasten, hurry, rush, disturb, interrupt, react, respond, go ahead, plow ahead, aggress, attack, consume, deplete, eat, eat up, exhaust, expend, run through, use, use up, wipe out, force, create, come forward, come out, come to the fore, step forward, step to the fore, step up, look, pay back, repay, reward, satisfice, satisfise, maneuver, manoeuver, manoeuvre, dispatch, evade, race, use, play it by ear, play, deal, partner, exert, egotrip, reciprocate, go, move, proceed, come close, perform, dare, make bold, presume, engage, prosecute, pursue, act on, interact, oppose, react, take time by the forelock, coact, play, drive around, walk around, offer, volunteer, get around to, dally, flirt, play, toy, approach, go about, set about, participate, take part, misbehave, misconduct, misdemean, condescend, lower oneself, stoop, behave, comport, assay, attempt, essay, seek, try, court, romance, solicit, woo, court, dare, effect, antagonise, antagonize, counteract, anticipate, counter, foresee, forestall, prosecute, commit, perpetrate, pull, rampage, contend, cope, deal, get by, grapple, make do, make out, manage, condescend, deign, descend, condescend, take care, act superior, lord it over, put on airs, queen it over, stampede, make a point, make sure, repeat, take over, surprise, sneak, play, take, guard, begin, start, go off at half-cock, go off half-cocked, hold back, hold off, wait, continue, go along, go on, keep, proceed, do well, had best, continue, continue, persist in.