buck

buck up

To summon one's courage or spirits; hearten

振奋：鼓起勇气或打起精神；使…欢欣鼓舞

My friends tried to buck me up after I lost the contest.

我在竞赛中失败后，我的朋友们想使我打起精神来

buck up one's ideas

become more serious, energetic, and hard-working

变得更认真，更有活力，更努力

big bucks

a lot of money

一大笔钱

a fast (或 quick) buck

easily and quickly earned money

易得之财

they are itinerant traders out to make a fast buck.

他们是流动商人，一心想赚快钱。

the buck stops here (或 with someone)

(informal)the responsibility for something cannot or should not be passed to someone else

(非正式)责任止于此

pass the buck

(informal)shift the responsibility for something to someone else

(非正式)推诿责任

the buck stops here&I{【俚语】}

The ultimate responsibility rests here.

责任止于此