Key words [00:00.82]关键词 [00:01.65]The Most Common Expressions [00:02.89]最常用表达法 [00:04.13]Don't lose your head! [00:06.66]不要昏了头! [00:09.20]Calm down.Keep your hat on! [00:12.84]冷静一点,别发火! [00:16.48]It's n...