What does 以至于 mean?
以至于
so much so that; to the point that
It can also mean
- down to; up to
Its characters
- 于 at
In a sentence
他太累了，以至于一躺下就睡着了。 He was so tired that he fell asleep as soon as he lay down.
More words with 以 or 至 or 于
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