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

1.
실력이 떨어지다, 감각을 잃다
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.
그 요리사는 예전에는 대단했지만, 최근에는 실력이 떨어진 것 같아.
•
After not playing for years, I've really lost my touch at tennis.
몇 년 동안 안 쳤더니 테니스 실력이 정말 떨어졌어.