jack of all trades

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释义
百事通、万金油的人
a person who can do passable work at various tasks : a handy versatile person

例句
Richard: What if Big Head is sort of like a floating utility player? Like a jack of all trades.（Silicon Valley）
理查德：如果大头是那种多种用途的流动员工呢？像个万金油。（硅谷）