Correct

狠毒

/ hěndú / 
Strokes

Definition

vicious/malicious/savage

Example

As an Adjective

vicious; brutal; venomous; wicked

1
Yòngxīn
用心
hěndú
狠毒

with vicious intent

2
Xīncháng
心肠
hěndú
狠毒

be venomous; be black-hearted