| 例句 |
insolubleadjective incapable of being solved or accomplishedthe seemingly insoluble mystery concerning the identity of the people who built these ancient structures hopeless, impossible, insolvable, insuperable, unattainable, undoable, unrealizable, unsolvable impracticable, impractical, infeasible, unusable, unworkabledebatable, disputable, doubtable, doubtful, dubious, far-fetched, fishy, improbable, problematic(also problematical), questionable, shady, shaky, suspect, suspicious, unfeasible, unlikelyimplausible, inconceivable, incredible, unbelievable, unimaginable, unthinkablefutile, uselessabsurd, fantastic(also fantastical), outlandish, preposterous, ridiculous achievable, attainable, doable, feasible, possible, realizable, resolvable, soluble, workable applicable, functional, practicable, practical, reasonable, serviceable, usable(also useable), useful, workinglikely, probableacceptable, believable, conceivable, credible, plausible in the 14th century |