4 sentences

1. 这个人是社会的祸害。

   zhè gè rén shì shè​huì de huò​hài.

   This man is a menace to society.

   Source: OpenSubtitles

2. 留着这个祸害迟早要出事。

   liú zhe zhè​ge huò​hài chí​zǎo yào chū​shì.

   Keeping this scourge around will lead to trouble sooner or later.

   Source: Dong Chinese Dictionary

3. 好端端的衣服被你给祸害了。

   hǎo​duān​duān de yī​fu bèi nǐ gěi huò​hài le.

   You ruined this perfectly good piece of clothing.

   Source: Dong Chinese Dictionary

4. 战争给人民带来了无穷的祸害。

   zhàn​zhēng gěi rén​mín dài​lái le wú​qióng de huò​hài.

   War has brought endless suffering and calamity to the people.

   Source: Dong Chinese Dictionary