Shiver with fear.

Rờn rợn rợn rợn láy ý giảm

To shiver slightly with fear.

Đi đêm cảm thấy rờn rợn

To shiver slightly with fear when going out at night.

Rợn tóc gáy

Ones flesh has the creeps; ones hair is made to stand on end.

Trông thấy người bị xe lửa nghiền nát mà rợn tóc gáy

The sight of someone crushed by a train made ones hair stand on end.