be nervous and flustered
⇒ 遇到这种麻烦事,他心慌意乱,不知所措。
When he comes up against this kind of problem, he gets nervous and flustered and doesn'tknow what to do.
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。