on a knife - edge中文是什么意思

• [网络] 处境艰难危险

• knife edge    1.刀口，刀刃。 2.锋利的边缘。 3.(门框、舱门等的)刃形边缘。 4.【机械工程】(天平等的)刃形支承。
• the edge of a knife    刀口
• agate knife-edge    玛瑙刀口
• double edge knife saw    双刃刀锯
• end knife edge    端刃
• foucault knife edge test    傅科刀口检验
• foucault knife-edge test    傅科刀口检验法
• fresnel knife-edge test    菲涅耳刀口试验; 菲涅尔刀口试验
• impact knife edge    冲击刀口
• knife edge bearing    刀口承; 刀口支承; 刀刃支承; 刃形支承
• knife edge contact    刀口触点; 闸刀式接点
• knife edge curvature radius    刀子接触宽度; 刀子曲率半径
• knife edge die    切断模
• knife edge divide    锐顶分水界
• knife edge effect    刃形效应
• knife edge felt wheel    刀缘毡轮
• knife edge flight    90度坡度直线飞行
• knife edge fly-by    90度坡度直线飞过
• knife edge liner    闸刀衬垫
• knife edge load    线荷载
• knife edge loading    集中线荷载; 线荷载
• knife edge mask    插刀式边沿遮板，亦称
• knife edge of balance    天平的支棱
• knife edge residual ridge    刀状剩余牙槽嵴
• knife edge support    刃形支承

• The success of the project is still very much on a knife-edge
  这一项目的成败目前仍处於关键时刻。
• Z departs with real madrid 10 points adrift in the league, out of the copa del rey and on a knife-edge in the champions league . should madrid finish the year empty-handed, it would be their third successive season without a major trophy-the first time they would have endured such a drought since 1950-53 . in the last four years under p
  当弗洛伦蒂诺选择离开的时候，本赛季的皇马已经在联赛中落后老对手西甲“领头羊”巴塞罗那队10分，而在欧洲冠军联赛八分之一比赛中，主场作战的他们更是0：1不敌英超没落“贵族”阿森纳队，出线形势岌岌可危。
• P rez departs with real madrid 10 points adrift in the league, out of the copa del rey and on a knife-edge in the champions league . should madrid finish the year empty-handed, it would be their third successive season without a major trophy-the first time they would have endured such a drought since 1950-53
  当弗洛伦蒂诺选择离开的时候，本赛季的皇马已经在联赛中落后老对手西甲“领头羊”巴塞罗那队10分，而在欧洲冠军联赛八分之一比赛中，主场作战的他们更是0：1不敌英超没落“贵族”阿森纳队，出线形势岌岌可危。