jack of all trades

基本解釋

“You have to be a jack-of-all-trades up here,” a local later told me.
一個晚來的當(dāng)?shù)厝烁嬖V我說：“為了在這里生存，你不得不成為一個萬事通。
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決于一類被稱為混合營養(yǎng)體的生物體，這些生物體可以在缺乏陽光的條件下通過消耗有機(jī)質(zhì)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.”
后來，當(dāng)?shù)厝烁嬖V我，“你必須什么都會做才能維持生計，木工，捕魚，挖蛤蜊，摘藍(lán)莓必須樣樣精通。”

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.
ENGADGET: HP's iPaq hw6920 / hw6925 finally hitting Cingular next week
In the highly specialized world of scientific research, Khosla is a rare jack-of-all-trades, fluent in chemistry, genetics, engineering and microbiology.
FORBES: A Dirty Business
Perhaps, beyond the PIM features, PDAs have simply suffered from the jack-of-all-trades problem.
ENGADGET: Switched On -- PDAs, a multiple murder mystery

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.