Definition

1. Preposition:

   • On behalf of: Used to indicate that someone is acting as a representative for another person, a group, or an organization. It signifies that the action or statement is done for and in the name of that other entity.

2. Verb (to represent):

   • To act on behalf of: To perform an action or speak for someone else, officially representing their interests or authority.

Usage Examples

• Preposition:

  • Tôi xin phát biểu thay mặt cho toàn thể công ty. (I would like to speak on behalf of the entire company.)
  • Cô ấy nhận giải thay mặt cho đạo diễn vắng mặt. (She accepted the award on behalf of the absent director.)

• Verb:

  • Anh ấy sẽ thay mặt tôi tại cuộc họp. (He will represent me at the meeting.)
  • Luật sư thay mặt thân chủ ký các giấy tờ. (The lawyer acts on behalf of the client to sign the documents.)

Advanced Usage

• "thay mặt cho": A more explicit form meaning "on behalf of" or "in representation of."
  • Tôi cảm ơn thay mặt cho cả gia đình. (I give thanks on behalf of the whole family.)

Variants and Related Words

• Đại diện (v/n): to represent / a representative. This is a close synonym often used in more formal or official contexts.
  • Ông ấy đại diện cho Việt Nam tại hội nghị. (He represents Vietnam at the conference.)

Synonyms

• On behalf of: In the interest of or as a representative for.
• Represent: To act or speak officially for someone.
• In the name of: By the authority of or as a representative of.

Related Idioms and Phrases

• Thay mặt đỡ đầu: To act as a godparent or sponsor (literally: to represent as a patron).

  • Bà ấy thay mặt đỡ đầu cho đứa trẻ trong lễ rửa tội. (She stood as godparent for the child at the baptism.)

• Lời nói thay mặt: A statement made on someone's behalf.

  • Đây là lời nói thay mặt của ban giám đốc. (This is a statement on behalf of the board of directors.)

1. on behalf of