1A device or mechanism for slowing or stopping a vehicle such as a car or bicycle (brake).
危ない！すぐにブレーキを踏んでください。
Watch out! Step on the brake right now.
ブレーキが故障して車が止まらなかった。
The brakes failed and the car wouldn't stop.
定期的にブレーキパッドを点検しよう。
Let's check the brake pads regularly.
2A stop or restraint applied to development or progress; used figuratively, as in "putting the brakes on" something.
経済成長にブレーキがかかった。
Economic growth has been put on the brakes.
新しい規制が開発にブレーキをかけるかもしれない。
New regulations might put a brake on development.