a.

1. 气质的，性情的；性格的[Z]
   He has a temperamental dislike of sports.

   他生性不喜欢运动。

2. 易兴奋的；易怒的
3. 喜怒无常的，捉摸不定的
   The actress was so temperamental that many people refused to work with her.

   那位女演员喜怒无常，许多人都拒绝和她合作。

adj.

1. liable to unreasonable changes of mood.
2. relating to temperament.