louse

noun

1. wingless usually flattened bloodsucking insect parasitic on warm-blooded animals

Synonym: sucking louse

2. wingless insect with mouth parts adapted for biting
mostly parasitic on birds

Synonym: bird lousebiting louse

3. any of several small insects especially aphids that feed by sucking the juices from plants

Synonym: plant louse

4. a person who has a nasty or unethical character undeserving of respect

Synonym: worminsectdirt ball

1. 虱（子）
Lice are small insects that live on the bodies of people or animals and bite them in order to feed off their blood.

1.

1. 虱：第九节虱 虱(louse)属虱目(Anoplura),是鸟类和哺乳动物的体外永久性寄生虫. 它的发育各期都不离开宿主. 寄生于人体的虱有两种,即人虱(Pediculus humanus)和耻阴虱(Pthirus pubis). 一般认为人虱又分为两个亚种,即人头虱(P. h.

2. 蝨子 -- 驳丝：dog 狗 -- 闹海 | louse 蝨子 -- 驳丝 | tree 樹 -- 矛得

3. 虱子, 白虱：flea 跳蚤 | louse 虱子, 白虱 | spider 蜘蛛