razor

He bought a new electric razor because his old disposable ones kept irritating his skin.

(Chinese) 他买了一个新的电动剃须刀，因为旧的一次性剃须刀总是让他的皮肤过敏。

Be careful when changing the blade of a straight razor, as it is extremely sharp.

(Chinese) 更换直剃刀刀片时要小心，因为它极其锋利。