winnow

篩選、精選、挑選常與 down 連用

The committee winnowed the list down to three finalists.

委員會把名單篩選到只剩三位決選者。

剔除、淘汰、去除常與 out 連用

Good editors can winnow out weak arguments very quickly.

優秀的編輯能很快剔除薄弱的論點。

簸、揚穀

Farmers still winnow the rice by hand in that village.

那個村子裡的農民仍用手工簸米。

揚穀、簸穀少用

The harvest ends with a careful winnow of the grain.

收成的最後一步是仔細揚穀。