经理突然请假了，我不得不临时顶替他的工作。

The manager took sudden leave, so I had to ___pinch-hit for him.

在比分落后的情况下，教练决定让史密斯代替受伤的球员上场击球。

The manager decided to have Smith ___pinch-hit for the injured player when they were behind in the score.