Just fart and say, " Oopsy." You have to fart mostly 18 times a day.

放屁，然后说：“哎呀。”你一天通常要放屁18次。

Not too much though, I don't wanna look like I'm trying to make my eyebrows too, oopsy, too thick and dark.

不过不要太多， 我不想看起来像我也在努力让我的眉毛，哎呀，太浓和黑了。