| 例句 |
formidableadjective causing feara formidable, irascible old man who frightened the neighborhood children alarming, dire, direful, dread, dreadful, fearful, fearsome, forbidding, frightening, frightful, ghastly, hair-raising, horrendous, horrible, horrifying, intimidating, redoubtable, scary, shocking, spine-chilling, terrible, terrifying daunting, demoralizing, disconcerting, discouraging, dismaying, disquieting, distressing, disturbing, perturbing, startling, threatening, troubling, trying, unnervingbone-chilling, creepy, eerie(also eery), weirdappalling, atrocious, awful, grisly, gruesome(also grewsome), hideous, horrid, macabre, monstrous, nightmarish calming, comforting, consoling, inviting, lulling, pacifying, quieting, reassuring, relaxing, soothing, tranquilizing(also tranquillizing)nonintimidating, nonthreatening requiring considerable physical or mental effortrunning a marathon is a formidable undertaking arduous, Augean, backbreaking, challenging, demanding, difficult, effortful, exacting, grueling(or gruelling), hard, heavy, hellacious, herculean, killer, laborious, 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 in the 15th century |