「have a leg up」是“抬起一条腿”的意思吗？

Gwen词链儿学习法/ 口语提升法门“词链儿学口语”三步走：Step 1: 输入：地道素材原句中挑词链儿Step 2: 口语化：地道的英语和地道的汉语做对接Step 3: 输出：替换造句用出来点击跳转回顾【为什么学了这么多年，还是哑巴英语？】点击跳转回顾【学英语，你用对方法了吗？】点击跳转回顾【怎么利用词链儿练口语】看电影学口语点击边框调出视频工具条      电影《星星之火》向上滑动查看字幕Speaking of the concert, I'm not gonna be able to make it tomorrow night.What?I tried, but Anderson said he could only meet on Friday night.But it's in the calendar, honey.Is she even playing?She'd better be.. She's not getting a college scholarship with her grades.Pearl, have you been looking at colleges yet?No.Wait, aren't you gonna be a sophomore? Not everyone has their whole life planned out.I'm going to Yale. You know kids here statistically go to the best colleges ………………………………