pull the wool over one's eyes不是拉毛线，而是“哄骗某人、蒙蔽某人”的意思

【例句】
We can see through all your tricks and schemes, so you needn't think you can pull the wool over our eyes.
我们能够识破你所有的阴谋诡计, 所以不必以为你能蒙骗我们。

You don't pull the wool over my eyes.I wasn't born yesterday.
别蒙我了。我又不是三岁小孩。