“So you go ahead and pull the trigger. Be my guest.”
所以你尽管扣扳机。请便。
把生死交给对方决定,用最客气的话说最狠的摊牌。
Be my guest.
对方放狠话要动手时,用这句反将回去;对长辈或客户说会失礼。
Go right ahead. / Knock yourself out.
口语
pull the trigger 连读,Be my guest 放慢压低收尾。
You want to complain to the manager? Be my guest. 你想找经理投诉?请便。