HSK V7-9
Correct

较劲

/ jiàojìn / 
Strokes

Definition

to match one's strength with/to compete/more competitive/to set oneself against sb/disobliging/to make a special effort

Example

As a Verb

have a contest/trial of strength

1
Jiào
较
yī
一
jiào
较
jìnr  
劲儿

have a trial of strength

As a Verb

set oneself against; oppose

2
Nǐ
你
yuè
越
shuō
说
  
,
tā
她
yuè
越
jiàojìn
较劲
  
。

The more you talked to her, the more she became defiant.

3
Biè
别
hé
和
wǒ
我
jiàojìn
较劲
le
了
  
!

Don't go against me.

As a Verb

call for great efforts

4
Kǎoshì
考试
jíjiāng
即将
láilín
来临
  
,
zhèngshì
正是
jiàojìn
较劲
de
的
shíhou
时候
  
。

As the examination is approaching, we have to redouble our efforts.