hěn​xīn

resolute

狠心 hěn​xīn
resolute noun
to make a firm decision; to harden one's heart to do something; firm resolve

I've made up my mind to close this deal at any cost.

heartless adjective
callous; heartless; cruel; lacking in pity or compassion

He was so heartless that he left his sick wife unattended.

Frequency

Movie subtitles
1.19 per million appears in 1% of films
Written text
3.80 per million

Details

HSK 2.0
Level 6

Sources

Definitions
CC-CEDICT