jumpy

1. ADJ If you are jumpy, you are nervous or worried about something. 坐立不安的; 提心吊膽的[非正式] [usu v-link ADJ]

I told myself not to be so jumpy. 我告訴自己別那麼坐立不安。

When he spoke his voice was jumpy. 他說話的聲音聽起來很緊張。