Obsessing

Notices are displayed on the bus asking people not to smoke.

公共汽车上张贴着请勿吸烟的公告。

You must have enjoyed yourself.

你一定玩的很开心。

I think it is important to understand the relations between parents and their children. They spend time, energy and money in bringing up children and providing them with what they need. Then, as with young birds, the time comes for the young to leave. As

我认为父母和孩子们之间的相互理解是很重要的。父母花费时间、精力和金钱带大孩子们，给他们提供所需的一切。然后，年轻人就像小鸟飞离家一样离开了家。正如我们所说，所轻人长大飞走的一天是必然会到来的。尽管这时父母会感到难过，但是他们感情用事是不对的。