1、convince

使确信;使信服;使相信

Although I soon convinced him of my innocence, I think he still has serious doubts about my sanity.

虽然我很快便让他相信我是清白的，但是我想他仍然非常怀疑我是否神志正常。

The waste disposal industry is finding it difficult to convince the public that its operations are safe.

废物处理行业发现很难让公众相信其操作是安全的。

说服;劝服

That weekend in Plattsburgh, he convinced her to go ahead and marry Bud.

在普拉茨堡的那个周末，他说服她嫁给巴德。

2、shut off

关闭;关上;使停止运转

They pulled over and shut off the engine.

他们靠边停车熄火。

Will somebody for God's sake shut that alarm off.

看在上帝的份上，谁去关掉那个闹钟吧。

(通常因沮丧而)躲开他人，不见人，不与人来往

Billy tends to keep things to himself more and shut himself off.

比利往往更多地将事情藏在心里，把自己封闭起来。

She shut herself off from all the social aspects of life.

她不参加任何形式的社交活动。

切断，停止(…的供应)

The State Water Project has shut off all supplies to farmers.

州水利工程项目已切断了对农场主的所有供水。