Correct

外话

/ wài huà /
Strokes

Example

As a Noun

unduly polite words (that a friend is not expected to say); courteous remarks expected of a stranger (rather than a friend)

1
Xièxie
谢谢
  
!
Biè
shuō
wàihuà
外话
le
  
!

‘Thank you!' ‘Don't mention it. / Don't stand on ceremony.'

Related

题外话