YOU SAID:
You're hot in a bikini
INTO JAPANESE
ビキニ姿は暑いですね
BACK INTO ENGLISH
It's hot in a bikini
INTO JAPANESE
ビキニだと暑いですね
BACK INTO ENGLISH
it's hot in a bikini
INTO JAPANESE
ビキニだと暑いです
BACK INTO ENGLISH
hot in a bikini
INTO JAPANESE
ビキニで暑い
BACK INTO ENGLISH
hot in a bikini
That didn't even make that much sense in English.