HSK V6
Correct

大师

/ dàshī / 
Strokes

Definition

great master/master

Example

As a Noun
grand master [used to address scholar/expert of outstanding achievements]
1
Yīliú
一流
de
的
dàshī
大师

superb/topmost master

2
Xǐjù
喜剧
  
/
yìshù
艺术
dàshī
大师

grand master of comedy/art

As a Noun
great master [a grade in players in some chess games]
As a Noun
Great Master [a polite form of address for monks]