with obj.［often as adj. flustered］
- make (someone) agitated or confused使慌张, 使激动; 使慌乱：
Rosamund seemed rather flustered this morning.
罗莎蒙德今天早上似乎有些心神不宁。
in sing.
- an agitated or confused state紧张不安, 慌乱; 激动：
the main thing is not to get all in a fluster.
重要的是不要让所有的人都慌乱。
词源
early 17th cent. （in the sense 'make slightly drunk'）： perhaps of Scandinavian origin and related to Icelandic flaustra 'hurry, bustle'.