以至于(yǐzhìyú)
To the Point / So Much That
Structure Pattern
Explanation
以至于 (yǐzhìyú) means "to the point that" or "so much so that." It introduces an extreme or unexpected consequence of the preceding situation, often negative. It emphasizes that things went further than expected.
Example Sentences
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Tā tài máng le, yǐzhìyú wàng le chīfàn.
He was so busy that he forgot to eat.
Tā kū de tài lìhai, yǐzhìyú shuō bù chū huà lái.
She cried so hard that she couldn't speak.
Wūrǎn yánzhòng dào yǐzhìyú kàn bú jiàn lántiān.
Pollution is so severe that you can't see blue sky.
Common Mistakes
Common Mistake
他很努力学习，以至于通过了考试。
Correct Usage
他很努力学习，所以通过了考试。
The mistake is using 以至于 for a normal, expected outcome. Passing an exam after studying hard is a direct and expected result, not an 'extreme' or 'unexpected' consequence. 以至于 should be used for consequences that are more severe, surprising, or go beyond what's typical.
Related Grammar Points
Master 以至于
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