YOU SAID:

we're just gonna have to play it by ear

INTO JAPANESE

耳で弾かなくてはいけない

BACK INTO ENGLISH

I have to play with my ears

INTO JAPANESE

私は自分の耳で遊ぶ必要があります

BACK INTO ENGLISH

I need to play with my ears

INTO JAPANESE

耳で遊ぶ必要がある

BACK INTO ENGLISH

I need to play with my ears