拿一只碗，在上面放个普通的筛子，或是用手磨(mo)(译注二：又称食物研磨器)，跟筒筛有一样的效果。

An ordinary sieve placed over a bowl or a food mill can take the place of a.

youdao

“等一下，”霍奇爷爷摸了摸胡子，打断了他的话，“你要告诉我的消息，用三个筛子筛过了吗？”

"Wait a moment," Grandpa Hodge stroked his beard and cut him short, "Have you sifted the news you will tell me with three sieves?"

youdao

“等等，儿子。在你告诉我那些你听到的事情之前，你有没有把它们用”三个筛子“筛过呢?。

Wait a minute, my boy. Have you put what you have heard through the three sieves before you tell it to me?

youdao