twitchy
adjective uk/ˈtwɪtʃ.i/ us/ˈtwɪtʃ.i/
焦急的;紧张的
nervous and worried, sometimes showing this through sudden movements or movements that do not appear smooth or relaxed
On camera he appears twitchy and ill at ease. 在摄像机前他显得很紧张，浑身不自在。
The president is getting twitchy about the fall in his popularity. 总统对他支持率的下降感到焦躁不安。