断言 duànyán assert Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: assert All meanings 2 duànyán 2 assert 1assertion 1 1 sentence for 断言 (duànyán — assert) 他断言这件事一定能成功。 tā duànyán zhè jiàn shì yīdìng néng chénggōng. He asserted that this matter would surely succeed. Source: Dong Chinese Dictionary