Correct

磨炼

/ móliàn /
Strokes

Example

As a Verb

put oneself through the mill; steel oneself; temper oneself; go through trials

1
Jiānnánkùn
艰难困苦
可以
liàn
磨炼
men
我们
de
zhì
意志
  

Hardships can steel/temper our willpower.

2
Zài
shí
实际
gōngzuò
工作
zhōng
liàn
磨炼
自己

steel oneself in practical work

3
Jīngshòu
经受
jiānnánkùn
艰难困苦
de
liàn
磨炼

go through hardships and tribulations

4
liàn
磨炼
毅力

temper one's willpower

5
liàn
磨炼
cáigàn
才干

cultivate one's ability