他们被要求回敬以礼貌的微笑，但谁都不会真的那么去做。
They are told to smile politely back, but nobody is going to do that.
所以保持礼貌的点头和微笑，能避免我们留下遗憾。
So we nod and smile politely because otherwise we'll regret it afterwards.
堂停顿下来，给了殡葬者一个礼貌的、讽刺的微笑。
The Don paused and gave the undertaker a polite, ironic smile.
只要记住说你好的时候带上微笑就行了，另外轻轻招手也会显得很礼貌。
Just remember to smile as you say hello. A small wave is also polite.
只要记住说你好的时候带上微笑就行了，另外轻轻招手也会显得很礼貌。
Just remember to smile as you say hello. A small wave is also polite.
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