单词knife-edge
n.: 刀刃
网络: 刀口；刀边；刀缘
刀刃:
the sharp edge of a knife
胜负难料；成败未定:
finely balanced between success and failure
十分焦虑；急于知道结果:
very worried or anxious about the result of sth
刀囗
复数：knife-edges
n.critical pointdecisive pointturning pointwatershedcrisis
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.
两种激光自动检测系统装置简单，易于实现刀口角的完全非接触式测量。
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。
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。
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。
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（DKE）简介可在文学。
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。
Poul Thomsen, IMF mission chief for Greece, told reporters that Greece"s debt sustainability was on a "knife-edge" .
IMF希腊首席特使保罗•汤姆森（PoulThomsen）向记者表示，希腊的债务可持续性处于“关键时刻”。
Yet, as an ugly and at times violent election season nears its end, the outcome is now on a knife-edge.
然而，随着既丑陋又偶见暴力的选举期临近结束，结果将见分晓。
Auto suction outlet system. Suction outlet controlled by servo motor precision, following the knife edge automatic adjustment.
吸风口由伺服电机精准控制，跟随边自动调整。
Living with technology is like climbing a mountain along a knife-edge which narrows as it nears the summit.
生活和科技就像是沿着刀口爬山，离高峰越近就越狭窄。