jack of all trades

基本解释

“You have to be a jack-of-all-trades up here,” a local later told me.
一个晚来的当地人告诉我说：“为了在这里生存，你不得不成为一个万事通。
Survival may have depended upon jack-of-all-trades organisms called mixotrophs that can consume organic matter in the absence of sunlight.
小型生物的存活可能取决于一类被称为混合营养体的生物体，这些生物体可以在缺乏阳光的条件下通过消耗有机质而存活。
“You have to be a jack-of-all-trades up here,” a local later told me. “Got to do some carpentry, fishing, digging for clams and picking blueberries to make ends meet.”
后来，当地人告诉我，“你必须什么都会做才能维持生计，木工，捕鱼，挖蛤蜊，摘蓝莓必须样样精通。”

It's been almost a full year since we first spotted the Swiss Army Phone better known as the iPaq hw6900, and after endless teasing and false starts, Cingular will finally start selling this highly-anticipated jack-of-all-trades starting on October 31st.
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In the highly specialized world of scientific research, Khosla is a rare jack-of-all-trades, fluent in chemistry, genetics, engineering and microbiology.
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Perhaps, beyond the PIM features, PDAs have simply suffered from the jack-of-all-trades problem.
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If you refer to someone as a jack-of-all-trades, you mean that they are able to do a variety of different jobs. You are also often suggesting that they are not very good at any of these jobs.