covenant
noun /ˈkʌvənənt/
  /ˈkʌvənənt/
 - a promise to somebody, or a legal agreement, especially one to pay a regular amount of money to somebody/something承诺;合同;协约;(尤指定期付款的)契约 - God’s covenant with Abraham上帝与亚伯拉罕的立约 
- a covenant to a charity向慈善机构定期捐款的契约 
 Topics Discussion and agreementc2- If you sign a covenant the charity can claim back the tax you have already paid on the money.如果你签了契约,慈善机构可以收回你已经支付的税款。 
- The tenant failed to repair the damage and was in breach of covenant.房客未能修复损坏,违反了契约。 
 词源Middle English: from Old French, present participle of covenir ‘agree’, from Latin convenire ‘assemble, agree, fit’, from con- ‘together’ + venire ‘come’.
- God’s covenant with Abraham