问题描述：
英语翻译
1.as busy as a bee
2.bit by bit/little by little
3.A little learning is a dangerouse thing.
4.as fit as a fiddle
1.as busy as a bee
2.bit by bit/little by little
3.A little learning is a dangerouse thing.
4.as fit as a fiddle
问题解答：
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