1、back down

放棄（主張、要求、承諾等）；打退堂鼓

The United States had no intention of backing down in its bitter row over farm subsidies.

美國無意就激烈爭吵的農產品補貼問題作出讓步。

It's too late to back down now.

現在打退堂鼓已經太晚了。

2、intervene

干涉;干預;介入

The situation calmed down when police intervened.

警方干預后，局勢平息下來。

The Government is doing nothing to intervene in the crisis.

政府沒有采取任何行動對這次危機進行干預。

插話;打岔

Hattie intervened and told me to stop it.

哈蒂打斷我，叫我停下來。

I've told you he's not here,Irena intervened.

“我告訴你了他不在這里,”伊雷娜插話說。

干擾;阻撓;打擾

The South African mailboat arrived on Friday mornings unless bad weather intervened.

除非受惡劣天氣干擾,南非郵船一般在星期五上午抵達。

I pray that death may not intervene to prevent our meeting with my darling children.

我祈禱死亡不要阻撓我們與我親愛的孩子們見一面。