大家都搜：
n.刀刃；锐利物；处于紧要关头；十分焦虑
1、knife-edge───刀口；刃状物
2、fore edge───n.前切口；前书口
3、knife-edged───刀口；刃状物
4、knife rests───[机]刀架；餐桌上的刀叉台
5、knife boxes───刀盒
6、knife box───刀盒
7、knife edges───刀口；刃状物
8、knife crime───持刀犯罪
9、cliff ledge───崖壁
1、The game is poised on a knife-edge. One mistake or one piece of good luck could decide it.───比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。
2、Expressions of the resolution-effective diameter for pinholes with a double-knife-edge (DKE) profile are available in the literature.───该决议表达的有效直径为小孔的双刀口 (D K E)简介可在文学。
3、Tonight's knife-edge vote could be uncomfortably close.───今晚的投票难以预料，结果可能会很接近，真令人紧张。
4、The pressure proportional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer.───波登管的压力比例塑性变形通过摩擦力很小的机械装置传递给刃形指针。
5、The only thing I do is respect their feelings, even if it has a sharp, knife-edge Wind adventure, I also deserve to calls.───我唯一所做的是尊重自己的感受，哪怕在刀口风尖里冒险也值得我去闯一闯。
6、Millstones must be concrete, specific, measurable events, defined with knife-edge sharpness.───Millstones必须是具体的，具体的，可衡量的事件，定义刀口锐利。
7、economy is balanced on a knife-edge.───经济形势尚不明朗。
8、Papandreou was reported to have later indicated he could step down even if he won today's knife-edge vote of confidence in parliament.───据报道，帕潘德里欧晚些时候暗示他可能会辞职，即使在议会赢得今天的具有决定性的信任票。
9、The two automatic detection system based on the light paths is simple, and easy to measure the knife-edge angle in the non-contact mode.───两种激光自动检测XiTong装置简单，易于实现刀口角的完全非接触式测量。