Definition

1. Verb:
   • To break a promise: To fail to do what one has pledged or agreed to do; to not keep a commitment.
   • To breach an agreement: To violate the terms of a formal or informal pact or understanding.

Usage Examples

• Verb:
  • Anh ta đã thất ước và không đến cuộc họp. (He broke his promise and did not come to the meeting.)
  • Công ty đó bị kiện vì thất ước hợp đồng. (That company was sued for breaching the contract.)
  • Đừng bao giờ thất ước với con cái. (Never break a promise to your children.)

Advanced Usage

• "sự thất ước": (noun) The act or instance of breaking a promise; a breach of faith.
  • Sự thất ước của anh ấy khiến mọi người thất vọng. (His breach of promise disappointed everyone.)

Variants and Related Words

• Thất hứa (v): To break one's word; a more common synonym for failing to keep a verbal promise.
  • Thất hứa là một thói xấu. (Breaking one's word is a bad habit.)

Synonyms

• Break a promise: To fail to fulfill a pledge.
• Go back on one's word: To not do what one said one would do.
• Breach an agreement: To violate a formal contract or accord.

Related Idioms

• "Thất ước thề": To break a vow or a solemn promise, often with emotional or formal weight.
  • Họ đã thất ước thề với nhau. (They broke the vows they made to each other.)

verb

1. to fail (to keep) one's promise