YOU SAID:
kaidence is mean and poopy head
INTO JAPANESE
発生率は意地悪であり、頭がおかしい
BACK INTO ENGLISH
Incidence is mean and crazy
INTO JAPANESE
発生率は意地悪でおかしい
BACK INTO ENGLISH
The incidence is nasty and funny
INTO JAPANESE
発生率は厄介で面白いです
BACK INTO ENGLISH
The incidence is cumbersome and interesting
INTO JAPANESE
発生率は面倒で興味深い
BACK INTO ENGLISH
The incidence is cumbersome and interesting
That didn't even make that much sense in English.