grumpy       
adjective  informal uk/ˈɡrʌm.pi/ us/ˈɡrʌm.pi/
C1 脾气坏的,易生气的;爱抱怨的
easily annoyed and complaining
  I hadn't had enough sleep and was feeling kind of grumpy. 我睡眠不足,所以感到有点烦躁。 
 a grumpy old man 脾气不好的老人 
 Synonyms: bad-temperedcrabby grouchy ill-tempered