Can't you remember doing the silly thing?
不，我记得，干了这件事我后悔。
That's not a silly thing to say about the astronomy case.
谈论这个天文学例子并不是什么傻事。
The most painful thing in the world, is in love with a silly person to others.
世界上最痛苦的事，莫过于爱上一个对别人痴心的人。
He came to realize that how silly a thing he had done the day before.
他才意识到前一天他干了一件多么蠢的事情。
He came to realize that how silly a thing he had done the day before.
他才意识到前一天他干了一件多么蠢的事情。
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