noun
sudden braking; slamming on the brakes
Refers to abruptly applying the brakes in a vehicle, often in an emergency or unexpectedly.
前の車が急ブレーキをかけたので、追突しそうになった。
The car in front slammed on the brakes, and I almost rear-ended it.
急ブレーキは危険ですから、十
Sudden braking is dangerous, so please keep enough distance between cars.