[with obj.]blow a current of air through (grain) in order to remove the chaff 风选(谷物)(以除去表壳) ■remove (chaff) from grain 除去(皮壳) women winnow the chaff from piles of unhusked rice. 女人们把成堆成堆的稻谷扬去谷壳。 ■reduce the number in a set of (people or things) gradually until only the best ones are left 筛选(人或物);选取 the contenders had been winnowed to five. 经过筛选,竞争者剩下五名。 ■find or identify (a valuable or useful part of something) 发现;辨别(某物有价值或有用之处) amidst this welter of confusing signals, it's difficult to winnow out the truth. 在杂乱无章的信号之中,要辨别真相很困难。 ■identify and remove (the least valuable or useful people or things) 辨别并去除(最无价值或无用之人或物) guidelines that would help winnow out those not fit to be soldiers. 将有助于筛去那些不适合当兵之人的准则。
[no obj.](poetic/literary)(of the wind) blow (诗/文)(风)吹拂,吹散,吹动 the autumn wind winnowing its way through the grass. 秋风一路轻拂草地。 ■[with obj.](of a bird) fan (the air) with wings (鸟用翼)扇动,振翅