YOU SAID:

I hope you get your sleeves wet when you wash your hands.

INTO JAPANESE

手を洗うときは袖を濡らしていただければ幸いです。

BACK INTO ENGLISH

I would appreciate it if you could wet your sleeves when washing your hands.

INTO JAPANESE

手洗いの際は袖を濡らして頂けますと幸いです。

BACK INTO ENGLISH

We would appreciate it if you could wet your sleeves when washing your hands.

INTO JAPANESE

手洗いの際は袖をぬらして頂くようお願い致します。

BACK INTO ENGLISH

Please wet the sleeves when washing your hands.

INTO JAPANESE

手を洗う際は袖を濡らしてください。

BACK INTO ENGLISH

Wet your sleeves when washing your hands.

INTO JAPANESE

手を洗うときは袖を濡らしてください。

BACK INTO ENGLISH

Wet your sleeves when washing your hands.