Definition

1. Idiom:
   • A sure thing / A guaranteed success / A certainty: This idiom describes a situation or outcome that is absolutely certain, inevitable, or guaranteed to be successful. It originates from an agricultural context, implying a predictable and excellent yield.
   • A done deal: It can refer to an arrangement or result that is already settled and cannot fail.

Usage Examples

• Idiom:
  • Với sự chuẩn bị kỹ lưỡng này, dự án của họ là ba bó một giạ. (With this thorough preparation, their project is a sure thing.)
  • Anh đã ký hợp đồng rồi, vụ này ba bó một giạ thôi. (He has signed the contract; this deal is a done deal.)
  • Mùa này mưa thuận gió hòa, chắc chắn ba bó một giạ. (With favorable weather this season, it's certainly a guaranteed success.)

Advanced Usage

• The idiom is often used to express high confidence in a positive outcome, typically in business, plans, or agricultural forecasts. It carries a tone of optimism and absolute assurance.

Origin and Literal Meaning

• The phrase literally refers to a specific, excellent rice harvest yield: "three bundles (of rice stalks) yielding one (a Southern Vietnamese unit of volume for grain, approximately 40 liters)." This ratio represents an exceptionally productive and reliable result, hence the figurative meaning of a guaranteed, excellent outcome.

Synonyms

• A foregone conclusion: A result that is certain to happen.
• A slam dunk: Something that is very easy to accomplish or is certain to be successful.
• In the bag: Something that is certain to be won or achieved.

Related Idioms

• Chắc như đinh đóng cột: (As sure as a nailed peg) – meaning absolutely certain.
• Nắm chắc phần thắng: To hold victory firmly – to be certain of winning.

1. A sure thing