jittery

形容词 jittery:

1. characterized by jerky movements
2. being in a tense state
   同义词：edgy, high-strung, highly strung, in suspense, jumpy, nervy, overstrung, restive, uptight

jit.ter.y

adj.（形容词）
jit.ter.i.er,jit.ter.i.est
Having or feeling nervous unease:
紧张不安的，神经过敏的：
例句：
a jittery vigil in the dark.
在黑暗中紧张不安的失眠

Marked by jittering movements:
抖动着的：以紧张不安的动作为特征的：
例句：
a jittery ride over rough terrain.
在崎岖地带的一段颠簸路程

【引伸】
jit.teriness
n.（名词）