Vocab InfoUnclassified Expression, う-verb (く)書(か)いとくto write downDetailsExamples書いとくto write downDetailsExamplesDictionary DefinitionExpression, う-verb (く)1. to write downColloquial, contraction of 書いておくAll Forms書いとく 【かいとく】DetailsAudioPlayExamplesThere 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