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Expressing "lies in" with 在于 (zàiyú)
HSK 5Purpose & Reason
Topic & Focus
Structure
Subject + 在于 + Key Factor
Explanation
在于 (zàiyú) means "lies in" or "consists in" and is used to pinpoint the key factor, reason, or essence of something. It is typically used in analytical or explanatory sentences to identify what is most important. This expression is common in formal writing and discussions.
Examples
学好语言的关键在于多练习。
Xué hǎo yǔyán de guānjiàn zàiyú duō liànxí.
The key to learning a language well lies in practicing more.
成功在于坚持不懈的努力。
Chénggōng zàiyú jiānchí bùxiè de nǔlì.
Success lies in persistent effort.
这道菜好吃的秘诀在于火候的掌握。
Zhè dào cài hǎochī de mìjué zàiyú huǒhòu de zhǎngwò.
The secret to this dish being delicious lies in controlling the heat.