A jack of all trades, but master of none; a person who has some knowledge or skill in many different things but is not an expert in any particular one.
他虽然是个“万金油”，什么都能搭把手，但要完成专业性很强的工作，还需要依靠专家。
Although he is a 'jack of all trades' and can lend a hand with anything, for highly specialized tasks, we still need to rely on experts.
Era:
Modern
Frequency:
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