jittery
adjective informal uk/ˈdʒɪt.ər.i/ us/ˈdʒɪt̬.ɚ.i/
紧张不安的;心烦意乱的
nervous
He felt all jittery before the interview. 面试前他感到非常紧张。
颤抖的，摇摇晃晃的
shaking and slightly uncontrolled
I get really jittery if I drink too much coffee. 我如果咖啡喝得太多就会发抖。