edge/edʒ/

n C

1. 边缘；边

• the edge of the sea 海边

• A cube has 12 edges. 正方体有12个边。

2. 刀刃

• The knife has a sharp edge. 这把刀很锋利。

词组be on edge 紧张不安，烦躁；恼怒

• He is on edge as the exam approaches. 考试临近了，他很焦虑。

have the edge on (或 over) 比…有利

• He has the edge on the other students in English because he spent a year abroad. 他在国外住过一年，所以英语比其他学生都强。

take the edge off 减弱；减轻

• The old man's powerful words took the edge off the young man's arrogance. 老人有力的话语挫败了年轻人的傲气。