accuse sb of sth

因某事控告某人

Water under the bridge

it’s (all) water under the bridge

used to say that something happened in the past and is now forgotten or no longer important已成往事；往事云煙

(do somebody’s) dirty work

(to do) the unpleasant or dishonest jobs that somebody else does not want to do（干）沒人愿干的事，卑鄙的勾當(dāng)

your end of the bargain

你在買賣協(xié)議中所應(yīng)承擔(dān)的義務(wù)

Bless you

used to thank someone for doing something for you 愿上帝保佑你！〔感謝別人為你做了某事時(shí)說的話〕