W: You shouldn't use other's computer. 
你不能用其他人的电脑。
M: Who the hell are you? 
你以为你是谁?
W: I am just kind enough to remind you. 
我只是好心提醒你。
M: Please don't quarrel, you two. 
你们俩不要吵了。
W: Who the hell are you? 
你以为你是谁?
M: Sorry for being nosy then! 
那就当我多管闲事,对不起咯!