vapid
adj. 无趣味的；无生气的；索然乏味的
例句
She made a vapid comment about the weather.
她对天气作了一番枯燥的评论。
《柯林斯英汉双解大词典》
The next issue is that reviewing is generally dull and vapid.
接下来的问题就是，复习是一个枯燥无味的工作。
In June they left the vapid Mr Hatoyama in no doubt he should resign.
六月，他们又“免掉”了毫无作为的鸠山由纪夫，毋庸置疑鸠山应该辞职。
