耿耿於懷 (gang2 gang2 jyu1 waai4) — take sth.personal and harbour resentment in one's heart; be disgruntled; take sth. to the heart in Cantonese
gangˊ²耿gangˊ²耿jyuˉ¹於waaiˎ₄懷简 耿耿于怀
Mandarin Pinyin: geng3 geng3 yu2 huai2
Meaning of 耿耿於懷
nountake sth.personal and harbour resentment in one's heart; be disgruntled; take sth. to the heart