如果你知道你会让别人等待，你至少可以打个电话。

You might at least phone if you know you're going to keep someone waiting.

youdao

我总是很早就离开家门以避免交通拥堵，因为我认为让别人等待是不礼貌的。

I always leave the house early to avoid heavy traffic because I think it's impolite to keep others waiting.

youdao

请礼貌地等待。不要打断别人。

Wait politely, please. Don't cut in on others.

youdao