| 例句 |
profitlessadjective producing no resultstrying to reason with her is always a profitless enterprise abortive, barren, bootless, empty, fruitless, futile, ineffective, ineffectual, inefficacious, otiose, unavailing, unproductive, unprofitable, unsuccessful, useless, vain hollow, idle, meaningless, pointless, valueless, worthlesshopeless, impossible, lost, no-win, unattainableinadequate, insufficient, lacking, wantingcounterproductive in vain, no dice, not worth the candle, of no avail deadly, effective, effectual, efficacious, efficient, fruitful, potent, productive, profitable, successful, virtuous meaningful, worthwhileadequate, sufficientapplicable, feasible, functional, practicable, practical, realizable, usable(also useable), workable |