键违反的英文：
key violation

key是什么意思：
n. 钥匙；线索；按键；调；关键
adj. 最重要的；关键的
v. 为…调音；用键盘输入

We have a key for the door of the house and a key for starting the car.
我们有房间门的钥匙和发动汽车的钥匙。

I left the key in the lock.
我把钥匙留在锁上，忘了取下来。

He fished in the bag for the keys.
他在袋子里摸找钥匙。

This is a key laboratory of atmosphere sounding.
这是个大气探测重点实验室。

Idleness is the key of beggary
懒汉出乞丐

violation是什么意思：
n. 违反；违背；侵害；强奸

When to violate guidelines
什么时候打破规则

The ship was prized for violating neutrality.
那艘船因违犯中立而被捕获。

Has he violated his parole?
他违背了自己的诺言吗?

Violate an agreement,oath,etc
违背协议、誓言等

A suit to recover damages for violation of such a contract.
对违背这种合同要求赔偿损害.