vexation
noun formal uk/vekˈseɪ.ʃən/ us/vekˈseɪ.ʃən/
[ U ]烦恼；苦恼
worry or anger
After several unsuccessful attempts to start his car, he swore in vexation. 几次发动汽车都没有打着火，他气得骂了起来。
[ C ]令人焦虑（或恼火）的事
something that is worrying or annoying