Correct

吃劲

/ chī jìn /
Strokes

Example

As a Verb

bear/support the weight (of)

1
Zhè
gēn
shéngzi
绳子
chī
zhāo
jìn
  

This rope is slack. It doesn't take any strain.

2
Zhè
gēn
zhùzi
柱子
不大
chījìn
吃劲
  

This pillar doesn't bear much weight.

As an Adjective

strenuous; arduous; laborious

3
Zhè
huór  
活儿
duì
láishuō
来说
tài
chī
jìn
le
  

The work was too much for him.

4
tiān
zǒu
shí
八十
bìng
chī
jìn
  

He can walk 80 li a day without difficulty.

As an Adjective

[usu used in the negative] important

5
Zhè
diànyǐng
电影
zěnmeyàng
不怎么样
  
,
kàn
kàn
chījìn
吃劲
  

The film is just so-so. It's not important whether you see it or not.