Definition

1. Adverbial phrase:
   • Perhaps, maybe: An expression used to indicate a possibility or uncertainty about something that might happen or be true. It often introduces a hopeful or speculative thought.

Usage Examples

• As an adverbial phrase:
  • Biết đâu chừng chúng ta sẽ thắng. (Perhaps we will win.)
  • Biết đâu chừng cô ấy sẽ đồng ý. (Maybe she will agree.)
  • Hãy thử đi, biết đâu chừng bạn thành công. (Give it a try, perhaps you will succeed.)

Advanced Usage

• "Biết đâu chừng..." is often used at the beginning of a sentence to express a hopeful possibility or to soften a suggestion.
  • Biết đâu chừng ngày mai trời sẽ nắng. (Perhaps tomorrow the sun will shine.)
• It can be used rhetorically to introduce a surprising or unexpected potential outcome.
  • Anh ấy nói không đến, nhưng biết đâu chừng anh ấy lại đổi ý. (He said he wouldn't come, but perhaps he might change his mind.)

Variants and Related Words

• Biết đâu: A slightly shorter and more common variant with the same meaning (perhaps, maybe).
  • Biết đâu mọi chuyện sẽ ổn. (Maybe everything will be fine.)
• Có lẽ: Perhaps, probably (indicates a higher degree of likelihood).
• Biết chừng nào: An emphatic phrase meaning "who knows" or "it's hard to say," often expressing doubt or the unknown extent of something.

Synonyms

• Có thể: Could, might (expresses possibility).
• Không chừng: Possibly, perhaps (similar speculative meaning).
• Biết đâu được: Another variant meaning "who knows, perhaps."

Related Phrases

• Biết đâu mà lần / Biết đâu mà chừng: Extended, more colloquial forms emphasizing complete uncertainty. They translate to "it's impossible to guess/know" or "there's no telling."
  • Tương lai ra sao, biết đâu mà chừng. (What the future holds, there's no telling.)

1. May be, perhaps