sift through

字典網

例句：

1. Snow sifted through the crack in the roof into the room.
   雪從屋頂上的裂縫飄進屋裡。
2. We have to sift through the application forms very carefully to separate the wheat from the chaff.
   我們得把申請書仔細篩選一下以甄別優劣。