HSK 2.0 レベル 6+
HSK 3.0 レベル 6+
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Formal Prepositions 于, 至于, and 因
Learn Formal Prepositions 于, 至于, and 因 with practical HSK 6 examples, focus vocabulary, common pitfalls, and targeted cloze practice.
Pattern
formal preposition + object
Use this HSK 6 pattern to make sentence structure, scope, or emphasis explicit instead of relying on word-for-word English order.
至于细节，我们明天再谈。
When to use Formal Prepositions 于, 至于, and 因
Read formal preposition + object as a sentence tool, not just as vocabulary. First locate the main action or claim, then ask what 至于 adds to it.
至于价格，我们可以再谈。
As for the price, we can discuss it later.
至于原因，现在还不清楚。
As for the reason, it is still unclear.
Common traps
- Do not translate formal preposition + object mechanically from English; check the Chinese word order first.
- Keep 至于 close to the part of the sentence it controls.
- Do not overuse the pattern in every sentence; use it when it adds a clear role.
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