Level 6 · word 19,484 of 20,000

mercurial

/mərˈkjʊriəl/ American
  • adj. 反复无常的, 善变的
Definition
  • adj. changing mood or behavior quickly and unpredictably
Example
Her mercurial moods made it hard to predict how she would react.
她喜怒无常的情绪让人很难预料她会有什么反应。