sad的用法

形容词 adj.
1.悲哀的, 忧愁的, 难过的，显的得悲哀
When I am sad, I take refuge in remembering happier times.
当我悲伤时, 就从回忆过去快乐的时光中寻求安慰。
I was sad to hear that you're sick.
听说你病了, 我心里很难过。
2.糟糕的, 不成样子的, 不像话的
It was a sad state of affairs when children aren't taught to read properly.
不教好孩子如何读书是一件很糟糕的事。