Correct

加劲

/ jiājìn /
Strokes

Definition

to increase efforts/to make extra efforts

Example

As a Verb

put more energy into; make a greater effort

1
men
我们
zhǐhǎo
只好
jiā
jìn
le
  

We'll have to work all the harder.

2
Jiājìnr  
加把劲儿
  
!

Put your back into it! / Put on a spurt!

3
Jiājìn
加劲
gōngzuò
工作

put more energy into work