The people who have brains and courage come through and the ones who haven't are winnowed out.

那些有头脑有勇气的人要以通过这种动，而那些没有头脑和勇气的就将被淘汰掉。

Such a genetic tweak would ordinarily be winnowed out by natural selection over subsequent generations.

这样的基因变异通常会在后代的自然选择中被淘汰掉。

Those that haven't are winnowed out.

没有勇气的就被淘汰。

A wise king winnows out the wicked; he drives the threshing wheel over them.

智慧的王簸散恶人，用碌碡滚轧他们。

When a king sits on his throne to judge, he winnows out all evil with his eyes.

王坐在审判的位上，以眼目驱散诸恶。