YOU SAID:

hello world this is so cool

INTO JAPANESE

こんにちは世界これはとてもクールです

BACK INTO ENGLISH

Hello World This is a very cool

INTO JAPANESE

こんにちは世界これはとてもかっこいい

BACK INTO ENGLISH

Hello world this is very cool

INTO JAPANESE

こんにちは、これはとてもクールな世界です

BACK INTO ENGLISH

Hi, this is a very cool world

INTO JAPANESE

こんにちは、これはとてもクールな世界です

BACK INTO ENGLISH

Hi, this is a very cool world