CAAD

例句：

1. 1. I've been CAAD for a while now.
   我CAAD已经有一段时间了。
2. 2. They were CAAD about the situation.
   他们对这个情况感到很CAAD。
3. 3. He was CAAD when he heard the news.
   他听到这个消息时感到很CAAD。