zhī​suǒ​yǐ HSK7

the reason why

之所以 zhī​suǒ​yǐ
the reason why conjunction
Used in the first part of a sentence to state a result, while the second part explains the cause, often paired with 是因为 shì​yīn​wèi.

Frequency

Movie subtitles
17.3 per million appears in 8% of films
Written text
43.4 per million

Details

HSK 3.0
Level 7

Sources