5 short English sentences, please translate.

A skinny guy I know suggested that I sort puzzle pieces by size and color. I said I wouldn't do that. People like me like to mess around.

This sincere young man is not a fan of jokes.

The fat man especially likes to make people laugh, slapping his thighs and celebrating loudly, but the thin man prefers to wait politely for his witty remarks.

They will always come up with a good reason why you never write about the great American novel.

His opponents have no intention of letting him off the hook until he agrees to leave the office immediately.