不要插嘴地听，阻止某人打断别人的话。
Listen without interrupting, and stop others from interrupting.
当你听到某人在说你的时候，你知道当某人正在走路时不小心碰到他时，当他们正在讲话的时候，打断他人的话，这也是没有礼貌的。
"Excuse me" is another short sentence they use . When you hear someone say that behind you , you know that somebody wants to walk past you without touching you .
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