Vocab InfoE1約束(やくそく)するto promise, to agree, to make arrangement, to make a pactDetailsExamples約束するto promise, to agree, to make arrangement, to make a pactDetailsExamplesDetailsAudioPlayExamplesThere are no sentences available for this contentHold tight, context sentences are coming soon!Self-Study SentencesStudy your own way!Add sentences and study them alongside Bunpro sentences.Try Bunpro