chagrin

释义：不可数名词，表“懊恼，委屈，气愤”，常用句式是to sb.'s chagrin或much to sb.'s chagrin，在文书之中可以与upset, regret, shame等交替使用，达到丰富词汇的目的。

例句：
Much to her father's chagrin, she had also inherited the quick Stanton temperament, and her sharp words often surprised her as much as it did everyone else.
Something like chagrin passed over the ambassador's face.