から約束
a promise
to make a solemn promise with someone
約束をふむ
約束すること
to fulfil one's promise―keep one's promise―keep one's word―make good one's promise―redeem one's pledge
the act of exchanging promises
a promise or commitment to do something
to keep one's promise―keep one's word―be true to one's word―be as good as one's word―keep an appointment―keep to an agreement―abide by an agreement