1. Let's shake a leg. 快点儿！
2. My legs fell asleep. 我腿麻了。
3. Are you pulling my leg？ 你开玩笑的吧？
4. The coat cost me an arm and a leg. 那件外套花了我一大笔钱。
5. We had a leg up on the competition. 我们在比赛中占上风。
6. I got a cramp in my leg. 我腿抽筋了。
