词汇 | 沙里淘金 |
释义 | 沙里淘金 shālǐ-táojīn idiom figurative ① (精选) sift diamonds from the rough ▸ 本次竞选是采用沙里淘金的办法,从几千人中挑出人来。 The election was won by the one good candidate out of thousands of pretenders. ② (费力却收效甚微) expend great efforts to no avail |
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