棄約背盟

to abrogate an agreement / to break one's oath (idiom)

variant of 背[bei1]

to be burdened / to carry on the back or shoulder

the back of a body or object / to turn one's back / to hide something from / to learn by heart / to recite from memory / unlucky (slang) / hard of hearing

oath / pledge / union / to ally / league, a subdivision corresponding to prefecture in Inner Mongolia

to weigh in a balance or on a scale

to make an appointment / to invite / approximately / pact / treaty / to economize / to restrict / to reduce (a fraction) / concise

to abandon / to relinquish / to discard / to throw away