/edʒ ||; ɛdʒ/noun[C] 1 the place where sth, especially a surface, ends 边缘: the edge of a table 桌边The leaves were brown and curling at the edges. 树叶黄了，边缘卷曲起来。I stood at the water's edge. 我站在水边。
2 the sharp cutting part of a knife, etc 刀口；刃
an/the edge on/over sb/sth a small advantage over sb/sth 略胜一筹；略占上风:
She knew she had the edge over the other candidates. 她知道自己比其他候选人略胜一筹。 (be) on edge to be nervous, worried or quick to become upset or angry 紧张不安；急躁:
I'm a bit on edge because I get my exam results today. 今天公布考试成绩，我心里有点紧张。