wear off

US /wer ˈɔf/
UK /wer ˈɔf/
"wear off" picture
1.

消退, 逐漸消失, 失去效力

to gradually disappear or stop having an effect

:
The effects of the painkiller started to wear off.
止痛藥的效果開始消退
The novelty of the new toy will soon wear off.
新玩具的新鮮感很快就會消失