| 单词 | 白费功夫 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔futile〕The president described these activities as futile.总统把这些活动形容为白费功夫。牛津搭配〔whistle〕The leader of the Liberal Democrats accused the Prime Minister of whistling in the wind to raise Conservative party morale.自由民主党领导人指责首相, 说他鼓舞保守党士气之举纯属白费功夫。外研社新世纪 |
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