因此 (therefore / for this reason)
The formal cousin of so / therefore所以
- therefore因此 = "therefore / for this reason" — a formal "so".
- he / him他very很to make an effort努力，therefore因此progress进步很快 = "he works hard, therefore improves fast."
- therefore因此 opens the result clause.
… ，therefore因此 …
- therefore因此 draws a consequence from the reason before it.
road路very很far远，therefore因此need要early早a bit点leave走。
- therefore因此want / will / need要breakfast早点to walk走 = "therefore (we) should leave early."
Practice
The road is far, therefore leave early: 路很远，____ 要早点走。
… ，因此 … = therefore: 路很远,因此要早点走.
Practice
因此 opens the result clause (the consequence).
Yes — reason first, then 因此 + result.
therefore因此 vs so / therefore所以
- Same idea; therefore因此 is more formal / written than so / therefore所以.
Explore
Correct or broken?
因此 opens the RESULT clause formally — and never teams up with 因为.
Practice
因此 is the formal twin of which word?
因此 = 所以 (therefore), more formal / written.
Recap
Key idea
- … ，therefore因此 … — "therefore / for this reason"
- he / him他very很to make an effort努力，therefore因此progress进步很快
- Formal twin of so / therefore所以
Read the full reference: HSK 4 grammar — Cause & effect statements.