1. If you pull someone's leg, you tell him/her something that is not true as a joke.
只是个玩笑，不是真实的事情。
2. Pull someone's leg: Tomorrow is not a holiday. Don't believe Rich. He's just pulling your leg.
开玩笑，开涮----明天不是什么节假日，他只不过是拿你开玩笑而已。
3. Pull someone's leg; joke with someone
开玩笑；愚弄别人寻开心