| 单词 | 却徒劳无功 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔FAIL〕I remembered all my vain attempts to change his mind. 我还记得如何想方设法改变他想法却徒劳无功。朗文写作活用〔spin〕But the more able students spent most of the year spinning their wheels.但能力更强的学生花了大半年的时间, 却徒劳无功。外研社新世纪 |
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