YOU SAID:

When its belly is full, it becomes too lethargic to even lift a finger, so it is safe to bounce on its belly.

INTO JAPANESE

腹がいっぱいになると、指を持ち上げることすらできなくなるので、腹に弾みをつけても安全です。

BACK INTO ENGLISH

When your stomach is full, you can't even lift your fingers, so it's safe to bounce on your stomach.

INTO JAPANESE

お腹がいっぱいになると、指も上げられなくなるので、お腹に跳ね返っても安全です。

BACK INTO ENGLISH

When your stomach is full, you can't lift your fingers, so it's safe to bounce back to your stomach.

INTO JAPANESE

お腹がいっぱいになると、指を上げられなくなるので、お腹に跳ね返っても安全です。

BACK INTO ENGLISH

When your stomach is full, you can't lift your fingers, so it's safe to bounce back to your stomach.