Correct

文不加点

/ wén bù jiā diǎn /
Strokes

Definition

to write a flawless essay in one go (idiom)/to be quick-witted and skilled at writing compositions

Example

Definition

never make the slightest change or revision in one's writing―have a facile pen; write with facility

1
Xìn
shū
笔疾书
  
,
wén
jiādiǎn
加点

be quick and facile in writing

2
Wén
jiādiǎn
加点
  
,
huīérjiù
一挥而就

quickly compose an article free of mistakes