害虫 (gaichuu) Japanese meaning: harmful insect | Kotomoraる
ため
に
農
薬
を
使
う
。
Farmers use pesticides to protect crops from harmful insects.
Cockroaches are a typical pest.
Usage patterns
害虫が発生するfor pests to appear/breed
A large number of pests appeared this year.
害虫を駆除するto exterminate pests
I had a professional exterminate the pests.
害虫を防ぐto keep pests away
This chemical is effective at keeping pests away.
虫