as good as gold
成語所屬單字gold
as good as gold — 慣用語
1. behaving very well, especially used to describe a child who is obedient, polite,
1.慣用語
釋義
非常乖；表現極好
behaving very well, especially used to describe a child who is obedient, polite, and causes no trouble.
例句
The babysitter said the children were as good as gold and went to bed without any fuss.
Our puppy was as good as gold during the trip to the vet — he did not move once.