Definition

1. Verb:
   • To guarantee: To give a formal promise or assurance that something is true, will happen, or will be done, often accepting responsibility if it is not.
   • To vow / To pledge: To make a solemn promise or commitment regarding a future action or the truth of a statement.
   • To affirm / To assert: To state something as a fact with strong conviction and a willingness to stand by that statement.

Usage Examples

• Verb:
  • Tôi có thể cam đoan về chất lượng sản phẩm này. (I can guarantee the quality of this product.)
  • Anh ấy cam đoan sẽ hoàn thành công việc đúng hạn. (He pledged to complete the work on time.)
  • Người làm chứng cam đoan khai đúng sự thật. (The witness affirmed that they were telling the truth.)

Advanced Usage

• "Giấy cam đoan": A written pledge or letter of guarantee.

  • Bạn phải ký vào giấy cam đoan này. (You must sign this letter of guarantee.)

• Used in formal or legal contexts where one assumes liability for the accuracy of information or the fulfillment of a promise.

Variants and Related Words

• Bảo đảm (v): To ensure, to secure. Often used interchangeably with "cam đoan" but can imply a more concrete form of assurance or collateral.
• Hứa chắc (v): To promise firmly.
• Thề (v): To swear (often more solemn or informal than "cam đoan").

Synonyms

• Guarantee: To provide a formal assurance.
• Pledge: To make a binding promise.
• Vouch: To assert or confirm based on personal knowledge or trust.
• Affirm: To state something positively and firmly.

Related Idioms and Phrases

• Cam đoan chắc chắn: To guarantee absolutely.

  • Công ty cam đoan chắc chắn về dịch vụ sau bán hàng. (The company absolutely guarantees its after-sales service.)

• Cam đoan bằng văn bản: To guarantee in writing.

  • Mọi thỏa thuận nên được cam đoan bằng văn bản. (All agreements should be guaranteed in writing.)

verb

1. To guarantee, to answer for
   • cam đoan khai đúng sự thật
     to answer for the truthfulness of one's declaration