不知所以 bù zhī suǒ yǐ

to not know the reason; to not know what to do

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to not know the reason
  2. 2. to not know what to do

Characters

Character Meaning
不 bù HSK 1
not; no; (negative prefix)
知 zhī HSK 2
to know; to be aware
所 suǒ HSK 2
particle introducing a relative clause or passive
以 yǐ HSK 2
to use; by means of; according to