止痛药的效果开始消退了。

The painkiller's effect is starting to ___wear ___off.

他对新工作的最初兴奋感已经消退了。

His initial excitement about the new job has ___worn ___off.

麻醉带来的麻木感应该会在几小时内消退。

The numbness from the anesthetic should ___wear ___off in a couple of hours.