n.
										 be on edge
										- 紧张不安;激动;烦躁
 to be nervous, excited or bad-tempered
 
 on the edge of your seat
										- 异常兴奋;极为激动;有浓厚兴趣
 very excited and giving your full attention to sth- The game had the crowd on the edge of their seats.
 这场比赛使观众兴奋不已。
 
 take the edge off sth
										- 减弱;使变钝;挫伤…的锐气
 to make sth less strong, less bad, etc.- The sandwich took the edge off my appetite.
 这份三明治使我食欲大减。
 
 fray at/around the edges/seams
										- 开始卷边;脱线脚;分崩离析;失败
 to start to come apart or to fail- Support for the leader was fraying at the edges.
 对这位领导人的拥护已开始瓦解。
 
 be on the razor's edge
										 be on a razor edge
										- 处于非常危险的困境;境况岌岌可危
 to be in a difficult situation where any mistake may be very dangerous
 
 rough edges
										- 瑕疵;美中不足之处
 small parts of sth or of a person's character that are not yet as good as they should be- The ballet still had some rough edges.
 这段芭蕾舞还有不足之处。
- He had a few rough edges knocked off at school.
 他在学校改掉了一些坏毛病。
 
 teeter on the brink/edge of sth
										- 处在(灾难或危险)的边缘;濒临
 to be very close to a very unpleasant or dangerous situation- The country is teetering on the brink of civil war.
 这个国家正处在内战的边缘。
 
 set sb's teeth on edge
										- 使感到身体不舒服
 to make sb feel physically uncomfortable- Just the sound of her voice sets my teeth on edge.
 我一听到她的声音就浑身不舒服。