Correct

未详

/ wèixiáng /
Strokes

Definition

unknown/unclear

Example

As a Verb

be unknown; be not clear

1
yīn
死因
wèi
xiáng
  

The cause of death is not clear.

2
Zuòzhě
作者
shēng
生卒
niányuèwèixiáng
年月未详
  

The dates of birth and death of the author are unknown.