YOU SAID:

Sit on a nail just for a bit.

INTO JAPANESE

ちょっとだけ釘の上に座ってください。

BACK INTO ENGLISH

Just sit on the nail for a second.

INTO JAPANESE

ちょっと爪の上に座ってください。

BACK INTO ENGLISH

Just sit on your nails.

INTO JAPANESE

ただ爪の上に座ってください。

BACK INTO ENGLISH

Just sit on the nail.

INTO JAPANESE

爪の上に座るだけです。

BACK INTO ENGLISH

Just sit on the nail.