艰巨艱巨 jiān jù — arduous
jiān (first tone, high and level) jù (fourth tone, falling)jian1 ju4
Traditional: 艱巨
arduous
HSK 5· HSK 1–6 (classic)Levels 7–9· 2021 three-band, nine-level proficiency standardadjective
Meanings
arduous
arduous; terrible (task); very difficult; formidable
adjective