JLPT N1 Vocabulary 着工 (chakkou) start of (construction) work JLPT N1 remind1 day3 days7 days16 days35 days Done Flashcards Sign in to track progress Recall mode Meaning 着工 (ちゃっこう, chakkou) is a JLPT N1 vocabulary word meaning “start of (construction) work”. Kanji in this word 着 don 工 craft Example sentences 1 そのビルの建設けんせつは来年らいねん着工ちゃっこうされます。 The construction of the building will be started next year. ← Previous総 All N1 vocabulary Next →丁々