buck up

To summon one's courage or spirits; hearten

振奮：鼓起勇氣或打起精神；使…歡欣鼓舞

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

我在競賽中失敗后，我的朋友們想使我打起精神來

buck up one's ideas

become more serious, energetic, and hard-working

變得更認真，更有活力，更努力

big bucks

a lot of money

一大筆錢

a fast (或 quick) buck

easily and quickly earned money

易得之財

they are itinerant traders out to make a fast buck.

他們是流動商人，一心想賺快錢。

the buck stops here (或 with someone)

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

(非正式)責任止于此

pass the buck

(informal)shift the responsibility for something to someone else

(非正式)推諉責任

the buck stops here&I{【俚語】}

The ultimate responsibility rests here.

責任止于此