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汉语拼音：shī zi

昆虫，灰白色、浅黄色或灰黑色，有短毛，头小，没有翅膀，腹部大，卵白色，椭圆形。常寄生在人和猪、牛等身体上，吸食血液，能传染斑疹伤寒和回归热等疾病。

1. 同“蝨子”。哺乳动物的体外寄生虫。浅黄色或灰黑色，有短毛，头小，无翅，腹部大，刺吸式口器。常寄生在人畜身体上，吸食血液。寄生在人体上的有头虱、体虱、阴虱等，能传染斑疹伤寒和回归热等疾病。

   元 郑廷玉 《看钱奴》第二折：“你且着他靠后些，饿虱子满屋飞哩。”《西游记》第七一回：“那些毫毛即变做三样恶物，乃虱子、虼蚤、臭虫，攻入妖王身内，挨着皮肤乱咬。” 杨沫 《乡思的朝和暮》：“浑身长满了虱子，成天和街头捡煤渣的孩子一起玩。”

• Infection with head lice is no reflection on personal hygiene.

  头上生虱子并不说明不讲个人卫生。

• Always she feared lest some louse had escaped her.

  她总是害怕有个虱子逃过了他的惩处.

• Then lice and slops are preferable to my conversation?

  那么你宁愿去跟虱子和脏水打交道,不想跟我交谈了?

• No lice - ridden soldier should come into Tara.

  凡是身上有虱子的士兵都不许进入塔拉农常她把他们赶到后面丛密的灌木林里.

• Yes, she was sick of the hospital, the foul smells, the lice, the aching, unwashed bodies.

  是的, 她对医院, 对那些恶臭味, 对虱子, 对那种痛苦的模样, 对那些肮脏的身体,都厌恶极了.

• Jack: I have invented a new drug which could kill lice effectively.

  一种新药杰克: 我发明了一种新药能有效地杀死虱子.

• A mouse and a louse are living in the house.

  一只老鼠和一只虱子生活在一间房子里.

• You should wash your hair, there are soooooooo many lice in your skin.

  好久把你的头发洗一下, 虱子太多了!

• To reduce the breeding grounds for lice, fleas and small rodents.

  为了减少虱子 、 跳蚤和小型啮齿动物的滋生地.

• The old guy sat there scratching at his bosom chums.

  那老家伙坐在那儿,搔虱子.

• Sea lice travel from inland rivers to the ocean.

  海洋虱子从河里流入大海.

• The lice eat the muscle and skin of young fish.

  虱子吃掉幼年鱼的肌肉和外皮.

• There, ma'am , that's it in black and white.

  喂, 小姐, 这是秀子头上的虱子――明摆着的.

• A prison blanket had given me lice.

  囚犯用的被褥上面都是虱子.

• Lice will visit you only on their vacations.

  虱子也只有放假的时候才愿意拜访你.