đòn cân
Học thuậtThân thiện
Definition
Noun: - A balance beam; a weigh-beam: A long, typically wooden rod, often cylindrical in shape, with a hook at one or both ends and marked with measurement units along its body. It is used with a scale pan (đĩa cân) and a counterweight (quả cân) to measure the weight of objects by balancing. This is a traditional weighing tool.
Usage Examples
- Noun:
- Người bán hàng dùng đòn cân để cân rau. (The vendor uses a balance beam to weigh vegetables.)
- Đòn cân này được chia thành nhiều phân nhỏ. (This weigh-beam is marked into many small units.)
- Chiếc đòn cân cũ kỹ vẫn còn chính xác. (The old balance beam is still accurate.)
Advanced Usage
- "cân đòn cân": To weigh using a traditional balance beam.
- Ngày xưa, người ta thường cân đòn cân ở chợ. (In the past, people often weighed goods with a balance beam at the market.)
Variants and Related Words
- Cân (n/v): Scale; to weigh. This is the general term. A "đòn cân" is a component of a traditional "cân" (scale).
- Cân đĩa (n): A scale with pans; a balance scale. This term often implies the complete set including the beam ("đòn cân"), pans, and counterweights.
- Quả cân (n): A counterweight; a standard weight used with a balance beam.
Synonyms
- Cân thăng bằng: Balance scale (a more descriptive term for the complete apparatus).
- Cân truyền thống: Traditional scale.
Related Phrases
- Thẳng như đòn cân: (Idiom) As straight as a balance beam; meaning very honest, upright, and impartial.
- Ông ấy là một thẩm phán thẳng như đòn cân. (He is a judge who is as straight as an arrow / perfectly impartial.)
- Cân não: (Idiom, literally "to weigh the brain") To ponder deeply, to weigh options carefully. While not directly containing "đòn cân," it uses the concept of "cân" (weighing) metaphorically.
- Tôi phải cân não rất lâu trước khi đưa ra quyết định. (I had to think very hard / weigh my options for a long time before making a decision.)