YOU SAID:

sorry to eat mine and his sweating nibbas-sticks

INTO JAPANESE

私と彼の汗をかくニブスティックを食べて申し訳ありません

BACK INTO ENGLISH

I'm sorry to eat his sweaty nibstick with me.

INTO JAPANESE

彼の汗をかいたペン先を一緒に食べてごめんなさい。

BACK INTO ENGLISH

I'm sorry to eat his sweaty nib together.

INTO JAPANESE

彼の汗をかいたペン先を一緒に食べてごめんなさい。

BACK INTO ENGLISH

I'm sorry to eat his sweaty nib together.