词典释义：
put (a fine, loose, or powdery substance) through a sieve so as to remove lumps or large particles
筛（微小颗粒、疏松或粉末状物质），筛分；过滤
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sift the flour into a large bowl .将面粉筛进一个大碗中。
〈喻〉 筛选；遴选
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until we sift the evidence ourselves, we can't comment objectively 只有等我们筛选出证据后，我们才能客观加以评论
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[no obj.]
the fourth stage involves sifting through the data and evaluating it .第四阶段涉及筛选数据，并作出评价。
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使分开，剔除
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he asked for streamlined procedures to sift out frivolous applications .他要求简化程序，剔除无意义的申请。
cause to flow or pass as through a sieve
（使）通过筛具般撒下，落下，通过
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Miranda sifted the warm sand through her fingers .米兰达将暖和的沙子从指缝中落下。
[no obj., with adverbial of direction](of snow, ash, light, or similar)descend or float down lightly or sparsely as if sprinkled from a sieve
（雪、灰或光线等）轻轻撒落，轻轻飘落
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ash began to sift down round them .灰尘开始在他们周围撒落下来。
an act of sifting something, especially so as to isolate that which is most important or useful
筛，筛选
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a careful archaeological sift must be made through the debris .必须对瓦砾进行细致的考古筛选工作。
an amount of sifted material
筛过的原料
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the floor was dusted with a fine sift of flour .地板上撒满了筛过的精细面粉。
"Old English