| 释义 | 
		Idiom be on edge to be nervous or worried about something.The players were all a little on edge before the big game. 
 idiombe on edgeto be nervous, especially because you are expecting something bad to happen:What's wrong? You seem a bit on edge.Investors have been on edge since a report showed only a slight improvement in the economy. 
 be on edgeTo be anxious and tense. A: "Why is Carrie pacing?" B: "She's waiting for the doctor to call with her test results, so she's been on edge all day."  |