Correct

好不

/ hǎo bù /
Strokes

Definition

not at all .../how very ...

Example

As an Adverb

[used before disyllabic adjectives with exclamatory force] how; so; what

1
Rénláirénwǎng
人来人往
  
,
hǎo
好不
nao
热闹
  
!

What a busy place, with so many people coming and going.

2
háishi
还是
zài
bǎimáng
百忙
zhōng
chōukòng
抽空
lái
le
  
,
ràng
jiā
大家
hǎo
好不
gāoxìng
高兴
  
!

We are so glad that you've finally made it, in spite of your busy schedule.

Related

好不容易