Correct

磨砺

/ mólì /
Strokes

Definition

to sharpen on grindstone/to improve oneself by practice

Example

As a Verb

go through the mill; harden oneself; steel/discipline/temper oneself

1
Bǎojiànfēng
宝剑锋
cóng
磨砺
chū
  

The sharp edge of a sword is the work of strenuous whetting.—Work efficiency comes from hard training/practising.

2
磨砺
xīnzhì
心志

steel one's will