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

1.
perdre la main, perdre son talent
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.
Le chef était incroyable, mais il semble avoir perdu la main dernièrement.
•
After not playing for years, I've really lost my touch at tennis.
Après des années sans jouer, j'ai vraiment perdu la main au tennis.