歹毒

xīn cháng dǎi dú

心肠歹毒

be malicious

nǚ ren shì dǎi dú de qiān wàn bié rě tā men

女人是歹毒的，千万别惹她们。

Women are evil. Don't mess with them.

dǎi dú de qiáng dào bǎng jià le jiào shòu

歹毒的强盗绑架了教授。

The sinister and vicious robbers kidnapped the professor.