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It is when you nearly lose someone when you become fully conscious of how much you value them.

An idle youth, a needy age.

All of them are （） at Lana"s achievement.

我們認(rèn)為節(jié)約用水非常重要。

All male guests at this restaurant are respectfully requested that they are put on coat and tie.

After reading the novel he was too exciting to go to sleep that night.

I thought you might be tired, （） is why I decided to help you.

There is nothing so admirable as a man whose sacrifices his life and happiness for others.