edge /edʒ/► SEE ALLhave, etc. an/the edge on/over sb/sthon edgeon the edge of your seat/chairtake the edge off sth(be at) the cutting edge (of sth)on a knife-edgeteeter on the brink/edge of sthset sb’s teeth on edge ●have, etc. an/the edge on/over sb/sthbe slightly better, faster, etc. than sb/sth; have an advantage over sb/sth比…稍好（或快等）；占优势；处于上风◆Max’s design is very good, but I think Paul’s has the edge on it. 马克斯的设计很好，可是我认为保罗的更胜一筹。◆Extra training will give our team an edge over the opposition. 额外的训练会让我们队比对手更有优势。●on ˈedgenervous, worried or anxious紧张；烦躁不安；焦虑◆Most people feel on edge before exams. 大多数人在考试前都会紧张。●on the ˌedge of your ˈseat/ˈchairvery excited and giving your full attention to sth非常激动；全神贯注◆The film was so exciting it had me on the edge of my seat right until the last moment. 电影刺激极了，我自始至终都处于紧张兴奋状态。●take the ˈedge off sthmake sth less strong, unpleasant, etc.使变钝；冲淡；减弱◆He tried to take the edge off the bad news by promising to help them in their difficulties. 他答应帮助他们解决困难，这样那个坏消息就不会让他们过于沮丧。◆I had an apple before lunch, which took the edge off my appetite. 午饭前我吃了个苹果，胃口就没那么好了。●(be at) the cutting ˈedge (of sth)(be at) the newest, most advanced stage in the development of sth（处于某事物发展的）尖端，最先进的水平◆working at the cutting edge of computer technology研究最先进的计算机技术●on a ˈknife-edge ( on a ˈrazor’s edge) in a very dangerous or difficult situation where there is a risk of sth terrible happening处于非常危险（或困难）的境地◆He was balanced on a knife-edge between life and death.他处于生死关头。◆The future of this company is on a razor’s edge.这家公司的未来凶多吉少。●teeter on the ˈbrink/ˈedge of sthbe very close to a very unpleasant or dangerous situation处在（灾难或危险的）边缘；濒临◆The country is teetering on the brink of civil war.这个国家正处在内战的边缘。NOTE If something teeters, it stands or moves in an unsteady way as if it is going to fall. * teeter 意为“摇摇欲坠”或“蹒跚而行”。●set sb’s ˈteeth on edge1. (of a sound声音) make sb feel physically uncomfortable使人牙根发酸；使感到不舒服◆That noise is really setting my teeth on edge! Can you stop?那噪声让我很不舒服！你能不能停下来？2.annoy sb; make sb feel tense惹恼某人；使某人感到紧张◆It sets my teeth on edge when I hear him talk to his mother so rudely.听到他跟自己的母亲说话这么无礼，我很恼火。