1
have/get lice
lice是复数形式。
The kids got lice at school.
孩子们在学校染上了虱子。
虱子
先理解核心含义，再看它在真实句子里的用法。
虱子
A small wingless parasitic insect that lives on the skin or hair of warm-blooded animals and feeds on their blood.
The kids got lice at school.
孩子们在学校染上了虱子。
一种小型寄生无翅昆虫,属于啮虫目。
A small parasitic wingless insect of the order Psocodea.
寄生在温血动物身上的无翅吸血昆虫
wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
卑鄙无耻的人
a person who has a nasty or unethical character undeserving of respect
吸食植物汁液的昆虫,尤指蚜虫
any of several small insects especially aphids that feed by sucking the juices from plants
The child had a louse in his hair, so the mother used a special shampoo.
孩子头发里有一只虱子，所以母亲用了特效洗发水。
He's a louse for spreading rumors about his colleagues.
他到处散布同事们的谣言，真是个卑鄙小人。
The gardener controlled the plant lice on the roses with neem oil.
园丁用印楝油控制玫瑰上的蚜虫。
lice是复数形式。
The kids got lice at school.
孩子们在学校染上了虱子。
口语中常用作侮辱性称呼。
Don't be such a louse!
别这么卑鄙！
非正式用法，意为搞砸。
He loused up the surprise party.
他搞砸了惊喜派对。
Not this
There are many louses on his head.
Use this
There are many lice on his head.
louse的复数形式是不规则变化lice，不要加-s。
Not this
I found a loose in my hair.
Use this
I found a louse in my hair.
loose意为'松的'，而louse意为'虱子'，拼写易混淆。