vt.

1. 簸；扬
2. 精选；除去
3. 振（翼）；飞过
4. 吹拂
5. 识别

vi.

1. 簸谷
2. 振翼飞翔
3. 识别真伪；区分是非

v.

1. blow air through (grain) in order to remove the chaff.
   ▸remove (chaff) from grain.
2. examine in order to identify the most valuable or useful elements.
   ▸identify (a valuable or useful element).
3. literary (of the wind) blow.
4. (of a bird) fan (the air) with its wings.