YOU SAID:

i need to paint my nails on my other hand

INTO JAPANESE

一方で爪を塗る必要がある

BACK INTO ENGLISH

On the other hand, you need to apply your nails

INTO JAPANESE

一方、あなたはあなたの爪を適用する必要があります

BACK INTO ENGLISH

Meanwhile, you need to apply your nails

INTO JAPANESE

その間、あなたはあなたの爪を適用する必要があります

BACK INTO ENGLISH

Meanwhile, you need to apply your nails