a device that makes a vehicle go slower or stop, or a pedal, bar, or handle that makes this device work

She had no brakes on her bicycle. 她的自行车没有车闸。

The driver suddenly put on his brakes. 司机突然踩了刹车。

informal I slammed on (= quickly used) the brakes, but it was too late. 我赶忙踩刹车，可已经来不及了。

All our new models have anti-lock brakes. 我们所有的新车型都有防抱死刹车。

the loud, unpleasant noise of a car suddenly stopping

Suddenly we heard a screech of brakes and saw the car swerve to miss the bicycle. 突然间，我们听到一声尖锐的刹车声，看到一辆车猛然转向去闪避一辆自行车。

The car skidded to a halt with a squeal of brakes.

There was the screech of brakes and a dreadful crunch of metal.

Just after midnight, the train ground to a halt with a deafening squeal of the brakes.

put the brakes onidiom (also mainly UK put a brake on) 抑制;控制;制止

to make a vehicle go slower or stop, using its brake or brakes

When it's icy, brake gently. 路面有冰时要慢慢刹车。

He would drive very fast and brake hard/sharply at the last minute. 他总是开得飞快，然后在最后一刻再猛地刹车。