之所以
zhīsuǒyǐ
ㄓ ㄙㄨㄛˇ ㄧˇ
- 1(after a noun N and before a predicate P) the reason why N P
- 2Example: 我之所以討厭他|我之所以讨厌他[wo3 zhi1 suo3 yi3 tao3 yan4 ta1] "the reason why I dislike him (is ...)"
Example
他們之所以沒有游泳，就因為天氣很冷。
tāmen zhīsuǒyǐ méiyǒu yóuyǒng jiù yīnwèi tiānqì hěn lěng
They didn't swim because it was cold.