Sift out the wheat from the chaff.

把小麦的壳筛出来.

《现代汉英综合大词典》

We should sift out the true from the false.

我们应当去伪存真.

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Sift out the most important names from this list of possible speakers.

从这张可能发言的人的名单中挑出最重要的名字来.

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Sift out the true from the false.

为伪存真.

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The judge had to sift out the truth from the conflicting testimony of the two parties.

法官必须从双方相互矛盾的证词中分离出真情.

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