weed out
柯林斯词典
1. PHRASAL VERB If you weed out things or people that are useless or unwanted in a group, you find them and get rid of them. 剔除 (无用的人和物)
He is eager to weed out the many applicants he believes may be frauds. 他急于剔除那些他认为可能是行骗的申请人。
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