Correct

吁吁

/ xūxū /
Strokes

Definition

to pant/to gasp for breath

Example

As an Onomatope

pant; puff

1
huàshān
华山
zhēn
jiào
rén
chuǎn
气喘吁吁
  

Climbing Mount Huashan is a real breather.

2
chuǎn
气喘吁吁

pant; puff hard/heavily; be out of puff/breath; be short of breath; be breathless