công hiệu
Definition
Noun:
- Effectiveness, efficacy: The quality of producing a desired or intended result, especially in medicine or actions.
- Validity (of a law, document): The state of being legally or officially binding and in force.
Adjective:
- Effective, efficacious: Having the power to produce a desired result.
Usage Examples
Noun:
- Thuốc này có công hiệu rất nhanh. (This medicine has very fast efficacy.)
- Hiệp ước đã hết công hiệu. (The treaty is no longer in effect/valid.)
Adjective:
- Đó là một phương pháp rất công hiệu. (That is a very effective method.)
- Loại vắc-xin này rất công hiệu. (This type of vaccine is highly efficacious.)
Advanced Usage
"có công hiệu": to be effective, to have efficacy.
- Biện pháp này có công hiệu trong việc giảm ô nhiễm. (This measure is effective in reducing pollution.)
"mất công hiệu": to lose effectiveness, to become invalid.
- Giấy phép lái xe đã mất công hiệu. (The driver's license has become invalid.)
Variants and Related Words
- Hiệu quả (n): Result, effect, outcome. (Often used more broadly than , which emphasizes inherent power or legal force).
- Công dụng (n): Use, function, utility. (Focuses on purpose or application rather than proven effectiveness).
- Hiệu lực (n): Force, effect, validity (often legal). (Very close synonym, frequently used in legal contexts).
Synonyms
- Hiệu nghiệm (adj/n): Efficacious, effectiveness. (Often used for remedies or methods).
- Tác dụng (n): Effect, action. (Can be neutral, not necessarily positive or intended).
Related Phrases (Phrasal Verbs)
- Phát huy công hiệu: To bring into full play, to maximize effectiveness.
- Chúng ta cần phát huy công hiệu của thiết bị mới. (We need to maximize the effectiveness of the new equipment.)
Related Idioms
- Thuốc đắng dã tật: Bitter medicine cures sickness. (Implies that something unpleasant can be highly ).
- Lời phê bình tuy khó nghe nhưng rất công hiệu, đúng là thuốc đắng dã tật. (The criticism, though hard to hear, is very effective—it's truly a case of bitter medicine curing sickness.)