lose your touch
US /luːz jʊər tʌtʃ/
UK /luːz jʊər tʌtʃ/

1.
失去水準, 失去技能
to no longer be able to do something well that you were previously good at
:
•
The chef used to be amazing, but he seems to have lost his touch lately.
這位廚師以前很棒,但他最近似乎失去了水準。
•
After not playing for years, I've really lost my touch at tennis.
多年沒打球後,我的網球水準真的下降了。