Definition

1. Adjective:
   • Effective; successful; hitting the mark: Describes a strategy, plan, or action that is well-conceived and achieves its intended goal perfectly. It implies a solution or approach that is precisely right for the situation.
   • Well-advised; judicious: Refers to a course of action that is wise and likely to yield good results because it is based on sound reasoning or strategy.

Usage Examples

• Adjective:
  • Đó là một giải pháp rất đắc sách. (That is a very effective solution.)
  • Chiến lược của họ quả thực đắc sách. (Their strategy is truly judicious.)
  • Lời khuyên của anh ấy rất đắc sách, giúp tôi giải quyết vấn đề ngay. (His advice was very well-advised, helping me solve the problem immediately.)

Advanced Usage

• The term is often used in formal or literary contexts to evaluate the quality and likely success of a plan or method. It carries a connotation of strategic fitness and aptness.

Variants and Related Words

• Đắc kế (adj): A successful or cunning stratagem. This is a close synonym, often with a slightly more tactical nuance.
  • Kế hoạch đó thật đắc kế. (That plan is a masterstroke.)

Synonyms

• Effective: Successful in producing a desired or intended result.
• Judicious: Having, showing, or done with good judgment or sense.
• Apt: Appropriate or suitable in the circumstances.
• Well-founded: Based on good evidence or reasons.

Related Idioms

• Trúng kế: To fall into a trap or scheme. While not a direct variant, it relates to the concept of a successful (from the planner's perspective) stratagem.
  • Đối thủ đã trúng kế của chúng ta. (The opponent fell into our trap.)

1. Come off, come to fruition
   • Đó là một giải pháp rất đắc sách
     That is a solution which will certainly come off