蚜虫

1. aphid, plant louse

noun (common) (futsuumeishi) word usually written using kana alone

蟑螂

2. cockroach

noun (common) (futsuumeishi)

日本家蝠

3. Japanese house bat (Pipistrellus abramus)

noun (common) (futsuumeishi) rare term

寄生虫

4. hanger-on, parasite

noun (common) (futsuumeishi)

光顾红灯区的游客，只是去看看而已

5. visitor to a red-light district who's only there to look

noun (common) (futsuumeishi) archaic