老鼠在奶酪上啃出了一个洞。
The mice have nibbled a hole in the cheese.

一只老鼠从黑暗的洞口跑出。
A mouse ran out from the dark orifice of the cave.

在杂树林里有只老鼠。
There is a mouse in that copse.

那有一个大批老鼠出没的仓库。
There is a warehouse infested by rats.

老鼠使我害怕。
Rats terrify me.

我猜想厨房里有老鼠。
I guess there are mice in the kitchen.

猫在戏弄那只活老鼠。
The cat is playing with a live mouse.

咒语将青蛙和老鼠又变回成了人。
The magic spell changed the frogs and rats back into men.