Vocab InfoA8 Expression, る-verb恩(おん)を忘(わす)れるto be ungratefulDetailsExamples恩を忘れるto be ungratefulDetailsExamplesDictionary DefinitionExpression, る-verb1. to be ungratefulAll Forms恩を忘れる 【おんをわすれる】DetailsPitch AccentおんをわすれるExamplesThere 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