YOU SAID:

feet dont fail me now

INTO JAPANESE

足は今私を失敗させないでください

BACK INTO ENGLISH

Don't let my legs fail me now.

INTO JAPANESE

私の足を失望させないで

BACK INTO ENGLISH

Don't let my leg down.

INTO JAPANESE

足を落としてはいけない。

BACK INTO ENGLISH

Don't drop your legs.

INTO JAPANESE

足を落としてはいけません。

BACK INTO ENGLISH

Don't drop your legs.