Definition

1. Adjective:
   • Unnecessary, needless: Describes something that is not required, not essential, or not worth the effort. It indicates that a particular action, discussion, or item is superfluous.
   • Pointless, futile: Conveys that an action would serve no useful purpose or would be in vain.

Usage Examples

• Adjective:
  • Vấn đề ấy bất tất phải bàn nhiều. (It is unnecessary to discuss that issue much.)
  • Việc đã rõ lắm, bất tất phải điều tra? (The matter is very clear, is it necessary/pointless to investigate?)

Advanced Usage

• Used primarily in formal or literary contexts to express that something is not warranted. It often precedes verbs like "phải" (must) to form a construction meaning "there is no need to..." or "it is pointless to...".

Synonyms

• Unnecessary: not needed.
• Needless: unnecessary, avoidable.
• Pointless: having no purpose or reason.
• Superfluous: exceeding what is sufficient or required.

Related Phrases and Constructions

• bất tất phải...: It is unnecessary to... / There is no need to...
  • Bất tất phải lo lắng. (There is no need to worry.)

1. Unnecessary, needless
   • vấn đề ấy bất tất phải bàn nhiều
     it is unnecessary to discuss much that issue, that issue needs not much discussion