您要查找的是不是：
- 徒勞futile
- 無(wú)力的languid
- 徒勞的infructuous
- 無(wú)力地feebly
- 無(wú)力償還insolvency
- 重癥肌無(wú)力myasthenia gravis
- 結果證明這只不過(guò)是一場(chǎng)徒勞。It turned out to be a wild-goose chase.
- 演講和抗議全都徒勞。Speeches and protests were of no avail.
- 全身無(wú)力general weakness
- 我一直要基思整理自己的房間，但看來(lái)我這樣做是徒勞的。I keep trying to get Keith to tidy his room but I'm fighting a losing battle.
- 該國無(wú)力抵抗侵略。The nation was unable to resist the invasion.
- 無(wú)力感dilutedness
- 沒(méi)有土壤，播種也是徒勞。It is lost labour to sow where there is no soil.
- 他的演說(shuō)無(wú)力。His speech lacked punch.
- 使某人徒勞nullify one's efforts
- 四肢無(wú)力weakness of limbs
- 我們的努力全是徒勞。Our efforts were in vain.
- 渾身無(wú)力weak all over
- 反對這些規定是徒勞的。It's no use kicking against the rules.
- 肌無(wú)力myasthenia
