dis前缀的单词形容词

例句：

I for one was sorely disappointed.

拿我来说，我非常失望。

He was feeling a shade disappointed.

他略感失望。

He believed that the policies were both wrong and electorally disastrous.

他认为这些政策既是错误的.、又是选举上的灾难。

The study concluded, "Such distractions have the potential to be disastrous."

研究推断：“这样的干扰有可能是灾难性的。”