| 单词 | fool's errand |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔fool's errand〕He sent me on a fool's errand.他派我去干白费力的事。牛津高阶〔fool's errand〕It's a fool's errand trying to get Lena to join in anything.想拉蕾娜参加什么活动根本就是徒劳。剑桥高阶It's a fool's errand trying to get Lena to join in anything.想叫列娜参加什么活动，那是件徒劳无益的事。剑桥国际 |
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