Correct

吭哧

/ kēngchi /
Strokes

Definition

to puff and blow/to whimper

Example

As an Onomatope

[the sound uttered when one is carrying a heavy load on the back] puff and blow

1
gāng
chéndiàndiàn
沉甸甸
de
dài
麻袋
  
,
huǎnghuàngyouyōu
晃晃悠悠
kēngchi
吭哧
kēngchi
吭哧
de
zǒu
le
  

He heaved the heavy sack up onto his back and staggered away, puffing and blowing from the strain.

As a Verb

work hard; toil

2
kēngchi
吭哧
le
bàntiān
半天
cái
zhàoxiàng
照相机
xiūhǎo
修好
  

She toiled a long time over her camera before she set it right.

As a Verb

hem and haw; stumble over one's words

3
kēngchi
吭哧
le
hǎojiǔ
好久
méi
néng
lìng
rén
míngbai
明白
de
si
意思
  

He hemmed and hawed for quite a while but failed to make himself understood.

4
Kēngchi
吭哧
le
zhèn
一阵
cái
huí
回答

hem and haw a lot before answering