保证履行契约

【经】 give one's hand on

保证的英语翻译：

guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【经】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely

履行契约的英语翻译：

【经】 execute one's promises