Correct

为害

/ wéi hài /
Strokes

Example

As a Verb

harm; damage

1
jiāhuo
家伙
guàn
一贯
wéihài
为害
xiāng
乡里
  
,
zhēn
yīnggāi
应该
bèi
guān
lai
起来
  

That man is a constant danger/menace to this community. He really should be locked up.

2
chóng
蚜虫
wéihài
为害
shūcài
蔬菜
  

Aphids are destructive to vegetables.

3
Wéihài
为害
fāng

cause damage in the neighbourhood

4
Wéihài
为害
jiān

be very detrimental; cause great harm/havoc