担保 dānbǎo HSK4 guarantee Origin Definitions Defs Strokes Stroke Words Sentences Sents 债务担保证券 zhàiwùdānbǎozhèngquàn collateralized debt obligation collateralized debt obligation (CDO), type of bond资产担保证券 zīchǎndānbǎozhèngquàn asset-backed security a financial security backed by a pool of assets, such as loans, leases, credit card debt, or receivables