自取其辱

(idiom) to embarrass oneself

self / oneself / from / since / naturally / surely

to help oneself to (food) / to invite (trouble) / to court (disaster)

to take / to get / to choose / to fetch

his / her / its / their / that / such / it (refers to sth preceding it)

disgrace / dishonor / to insult / to bring disgrace or humiliation to / to be indebted to / self-deprecating / Taiwan pr. [ru4]