=========第48课========Why don''t you knock it off!为什么不关掉它!
50.“别吵了！”

172. I can''t hear myself think. 我被这噪音吵得心烦意乱。
(意思是说你让我感到很烦。我听不见我自己想的了)

173. Could you keep it down, please? 小声一点，好吗？

174. Why don''t you knock it off? 为什么不把它关掉？

Hey ,would you please knock it out?!
Could you knock it off.(意思是说停止，别再闹出噪音了,完全停下来。)
Hey,knock it off!Stop!(警察常说这样的话，)

相关专题:

洋话连篇视频教学