shut off

verb

1. block off the passage through

e.g. We shut off the valve

Synonym: block offclose off

2. isolate or separate

e.g. She was shut off from the friends

Synonym: close off

3. stem the flow of

e.g. shut off the gas when you leave for a vacation

Synonym: close off

1. 关闭;关上;使停止运转
If you shut off something such as an engine or an electrical item, you turn it off to stop it working.

e.g. They pulled over and shut off the engine...
他们靠边停车熄火。
e.g. 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。

2. (通常因沮丧而)躲开他人，不见人，不与人来往
If you shut yourself off, you avoid seeing other people, usually because you are feeling depressed.

e.g. 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。
e.g. She shut herself off from all the social aspects of life.
她不参加任何形式的社交活动。

3. 切断，停止(…的供应)
If an official organization shuts off the supply of something, they no longer send it to the people they supplied in the past.

e.g. 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。

1. 停止：放射生物学研究显示,当所有的细胞丢失(all cell lo )停止(shut off)时,肿瘤的克隆原细胞的倍增时间甚至短于潜在倍增时间. 可以设想诱导化疗(induction chemotherapy)所产生的肿瘤细胞杀伤将会被因治疗疗程的延长所致的肿瘤细胞的再增殖所抵消.

2. 关掉;切断电源：put off 推迟;延期 | shut off 关掉;切断电源 | take off 脱下; 起飞

3. 关掉(煤气等切断,使隔绝,脱离：rule of thumb单凭经验来做的方法,比较简单有效的方法 | shut off关掉(煤气等切断,使隔绝,脱离 | side effect副作用