restiveness

1. Seeing a faint restiveness in lincoln's eye, he changed the subject.
   他觉察到林肯眼神略带烦躁，便改了话题。
2. There were already signs of restiveness among the men.
   士兵中早已有了不服管束的迹象。

noun

1. characterized by nervousness and quickness to take fright

   Synonym:    skittishness

2. the anxious feeling you have when you have the jitters

   Synonym:    jitterinessjumpinessnervousness