aflutter       
adjective [ after verb ]  humorous uk/əˈflʌt.ər/ us/əˈflʌt̬.ɚ/
 激动不安的;紧张兴奋的
excited and nervous
  I'm all aflutter about meeting him after so long. 久别后将再次见到他,我激动不已。 
 Paul had walked into the room and set my heart aflutter. 保罗走进了房间,我紧张得心怦怦直跳。