Correct

未详

/ wèixiáng / 
Strokes

Definition

unknown/unclear

Example

As a Verb

be unknown; be not clear

1
Sǐyīn
死因
wèi
未
xiáng
详
  
。

The cause of death is not clear.

2
Zuòzhě
作者
shēngzú
生卒
niányuèwèixiáng
年月未详
  
。

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