Correct

妄称

/ wàngchēng /
Strokes

Definition

to make a false and unwarranted declaration

Example

As a Verb

declare falsely or presumptuously; claim (oneself) to be

1
tōngwén
粗通文墨
  
,
jìng
wàngchēng
妄称
zuòjiā
作家
  

He barely knows the rudiments of writing, but poses himself as a professional writer.