phụ công

phụ công

Một học sinh chăm chỉ học bài để không phụ công thầy cô.

Definition
  1. Verb phrase:
    • To waste someone's effort / to render someone's work futile: To cause the work, care, or effort someone has invested in you or for you to be in vain or to go unrewarded. It implies a sense of ingratitude or failure to live up to the expectations created by that effort.
Usage Examples
  • Verb phrase:
    • Nếu con không chăm chỉ, sẽ phụ công cha mẹ. (If you are not diligent, you will waste your parents' effort.)
    • ấy lo lắng rằng kết quả thi sẽ phụ công thầy đã dạy dỗ. (She worries that her exam results will render her teachers' instruction futile.)
    • Thất bại này phụ công cả đội đã cố gắng. (This failure wastes the effort the whole team has put in.)
Advanced Usage
  • The phrase often carries a strong emotional and moral weight, expressing disappointment or a breach of expected reciprocity. It is commonly used in contexts of mentorship, parenting, teaching, and teamwork.
Variants and Related Words
  • Phụ lòng (verb phrase): to betray someone's trust or goodwill; to let someone down emotionally.
    • Anh ta phụ lòng tin của mọi người. (He betrayed everyone's trust.)
Synonyms
  • To let down: to fail to support or help someone as they had hoped.
  • To betray (someone's effort): to be disloyal to the work someone invested.
  • To be ungrateful for (someone's work): to not show appreciation for the effort expended.
Related Idioms
  • Phụ công cha mẹ: to waste the effort of one's parents (a common, specific usage highlighting filial ingratitude).

    • Học hành lười biếng phụ công cha mẹ. (Being lazy in your studies is to waste your parents' effort.)
  • Phụ công dạy dỗ: to waste the teaching effort of an instructor.

    • Sinh viên ấy không muốn phụ công dạy dỗ của giáo sư. (That student does not want to render the professor's teaching futile.)