自討苦吃

to ask for trouble (idiom) / to make a rod for one's own back

self / oneself / from / since / naturally / surely

to invite / to provoke / to demand or ask for / to send armed forces to suppress / to denounce or condemn / to marry (a woman) / to discuss or study

bitter / hardship / pain / to suffer / to bring suffering to / painstakingly

to eat / to consume / to eat at (a cafeteria etc) / to eradicate / to destroy / to absorb / to suffer / to stammer (Taiwan pr. for this sense is [ji2])

variant of 吃[chi1]