| 例句 |
laboriousadjective involved in often constant activitythe volunteers have been commendably laborious in their cleanup of the beach active, assiduous, bustling, busy, diligent, employed, engaged, hopping, industrious, occupied, sedulous, tied-up, working knee-deep, swampedanimated, astir, buzzing, flourishing, happening, humming, lively, thriving, vibrantabsorbed, concentrating, engrossed, focused(also focussed), immersed, intent, preoccupiedalive, functional, functioning, going, living, operating, operational, operative, runningenergetic, vigoroushardworkingindefatigable, tireless, untiring idle, inactive, unbusy, unemployed, unoccupied freeasleep, dormant, latent, lifeless, quiescent, sleepyinert, passivedead, dull, slowinoperative, nonoperating requiring considerable physical or mental effortthe laborious task of cleaning up the oil spill arduous, Augean, backbreaking, challenging, demanding, difficult, effortful, exacting, formidable, grueling(or gruelling), hard, heavy, hellacious, herculean, killer, moiling, murderous, pick-and-shovel, rigorous, rough, rugged, severe, stiff, strenuous, sweaty, tall, testing, toilsome, tough, uphill abstract, abstruse, complex, complicated, elusive, hairy, insoluble, intricate, involved, knotty, opaque, problematic(also problematical), recondite, serious, spiny, stubborn, thorny, ticklish, trickybruising, burdensome, exhausting, labored, onerous, oppressive, stressful, taxing, tight, tryingannoying, bothersome, distressing, irksome, troublesome, vexatiousgrievous, grim, strict, stringentbrutal, cruel, inhuman, painful cheap, easy, effortless, facile, light, mindless, simple, soft, undemanding achievable, clear, doable, elementary, manageable, uncomplicatedcomforting, gentle, painless, relaxed, smooth, soothingaccessible, friendly, idiotproof, user-friendly requiring much time, effort, or careful attentionthat report is the product of months of laborious research arduous, burdensome, challenging, demanding, exacting, grueling(or gruelling), killing, onerous, persnickety, taxing, toilsome difficult, formidable, hard, herculean, rough, rugged, stiff, strenuous, testing, toughoppressive, tryingrigid, rigorous, severe, stern, strict, stringent light, nondemanding, unchallenging, undemanding easy, effortless, facile, simple, smooth in the 14th century |