艰巨性 jiānjùxìng arduousness Origin Definitions Defs Strokes Stroke Words Sentences Sents 艰巨 艱巨 jiānjù adjective arduous extremely difficult and heavy; often used to describe a task, mission, or responsibility性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".