pledgevt.发誓；保证；以 ... 抵押；向 ... 祝酒n.保证；抵押；誓言；抵押品Pledged their cooperation.许诺他们的合作pledge allegiance to the king发誓效忠国王pledge of accounts receivable应收账款质押pledge a person to temperance使某人立誓戒酒Pledge oneself to doing sth.保证做某事。pledge the bride and bridegroom向新娘和新郎祝酒.pledge of negotiable instruments质押背书pledge one's own obligatory right于蒂诺Pledge themselves to the covenant保证遵守诺言pledge one's resolute support for胡特曼