不
知
凡
幾
不
知
凡
幾
Definitions4 characters can't many/numerous similar
Usage•••frequent
Pronunciations
不
知
凡
幾
As word
1one can't tell how many/numerous similar cases
2one can't tell how many/numerous similar cases
3one can't tell how many/numerous similar cases
4one can't tell how many/numerous similar cases
