on a knife - edge中文什么意思

[网络] 处境艰难危险

• knife edge:    1.刀口，刀刃。 2.锋利的边缘。 ...
• the edge of a knife:    刀口
• agate knife-edge:    玛瑙刀口

例句与用法

1. 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。
2. 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。
3. 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。