YOU SAID:

A person with a rack so big, it's looks like there is a two-headed monster in their shirt.

INTO JAPANESE

ラックを持つ人はとても大きいので、シャツに双頭のモンスターがいるようです。

BACK INTO ENGLISH

The person with the rack is so big that there seems to be a two-head monster on his shirt.

INTO JAPANESE

ラックを持っている人は、彼のシャツに2頭のモンスターがあるようですように大きいです。

BACK INTO ENGLISH

The person who has the rack is so big that there seem to be two monsters on his shirt.

INTO JAPANESE

ラックを持っている人は、彼のシャツに2つのモンスターがあるように見えるほど大きいです。

BACK INTO ENGLISH

The person with the rack is big enough to look like there are two monsters on his shirt.

INTO JAPANESE

ラックを持つ人は、彼のシャツに2つのモンスターがあるように見えるのに十分な大きさです。

BACK INTO ENGLISH

The person with the rack is big enough to look like there are two monsters on his shirt.