你看见过一只猫吗?
"Have you ever seen a cat?"
“您看见过一只猫吗?”
"What does it look like?"
“它长什么样?”
"Alas, but I don't know..."
“唉,可惜我也不知道…”
"You don't know what your cat looks like?"
“您不知道自己的猫长什么样?”
"How can I know? I have never had a cat! "
“我怎么会知道?我从来都没有养过猫!”