爸爸总是用一条旧皮革磨刀带来磨他的剃须刀。

My father always uses an old leather ___strop to sharpen his razor.

他在使用剃刀前，先在皮带上磨了磨。

He ___stropped the razor on the leather strap before using it.

别理他，他因为比赛输了正在发脾气。

Leave him alone, he's in a ___strop after losing the game.