tetchy
adjective uk/ˈtetʃ.i/ us/ˈtetʃ.i/
易怒的，暴躁的;情绪易波动的
easily made angry, unhappy, or upset
Be careful what you say to Anna - she's been a little tetchy lately. 你跟安娜说话时得小心点——她近来情绪很不好。
Synonyms: cranky (BAD-TEMPERED) fractiousirritablepeevishpetulant testy