YOU SAID:

That turtle neck sweater is insanely hot

INTO JAPANESE

そのカメの首のセーターは非常に熱い

BACK INTO ENGLISH

the sweater on the turtle's neck is very hot

INTO JAPANESE

カメの首のセーターはとても熱い

BACK INTO ENGLISH

The sweater on the turtle's neck is very hot.

INTO JAPANESE

カメの首の毛衣はとても熱い。

BACK INTO ENGLISH

The sweater on the turtle's neck is very hot.