petty
adjective disapproving uk/ˈpet.i/ us/ˈpet̬.i/
C2 [ before noun ]琐碎的；无足轻重的
not important and not worth giving attention to
Prisoners complain that they are subjected to too many petty rules and restrictions. 犯人们抱怨他们受到太多条条框框的管制。
[ after noun ]过于注重琐事的;小心眼的，心胸狭窄的
complaining too much about things that are not important
Don't be so petty! 别这么小心眼！