tell A from B 辨别 ; 区分A与B ; 把A和B分辨开 ; 说出A和B的区别
B: I could tell from the expression on his face.
我看他脸上的表情就能分辨。
He would tell her, "Oh, sinful wretch, who is spreading disease and filth like an open sewer: think of the contamination you have spread around-from middle-aged tailor to B."Sc.
他会告诉她：“噢，你这个罪恶的卑鄙小人，象露天下水道一样臭气熏天。”
How can you be so sure? B: I can tell from the way he spoken to us.
你怎么能这样肯定呢？我是从他的言谈中判断出来的。
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