YOU SAID:

swollen up like a watermelon

INTO JAPANESE

スイカのよう腫れています。

BACK INTO ENGLISH

Like the watermelon is swollen.

INTO JAPANESE

スイカのような腫れが。

BACK INTO ENGLISH

The swelling just like watermelon.

INTO JAPANESE

スイカのような腫れ。

BACK INTO ENGLISH

The swelling just like watermelon.