例句：

　　We were all sad at her going.

　　我們對(duì)她的離去都很難過(guò)。

　　I overreact to anything sad.

　　我對(duì)任何悲傷的事情都反應(yīng)過(guò)激。

　　She looked sad and tired.

　　她看上去又傷心又疲憊。