だから

だから
conjunction
therefore, so
1. therefore, so, that's why
A conjunction indicating cause and effect. Casual form of ですから.
It's raining. So, I'll take an umbrella.
I'm busy. That's why I can't go.
That's why I told you. / I told you so.
Common expression
Tomorrow is a holiday. So it's OK to stay up late today.
This restaurant is cheap and delicious. That's why there are always lots of people. I come here at least once a week too.

だから is a causal conjunction meaning 'therefore' or 'so,' connecting a reason to its result.

FORMALITY LEVELS:

USAGE PATTERNS:

  • [Sentence A]。だから、[Sentence B]: A happened. Therefore, B.
  • だから()ったでしょう: I told you so (expresses frustration)
  • だからこそ: precisely because of that

POSITION:
Usually at the beginning of a sentence or clause.

CONTRAST:

  • だから: shows consequence (so/therefore)
  • でも: shows contrast (but/however)