flash-point
n
1 temperature at which the vapour above a liquid such as oil gives a brief flash, but does not catch fire, when a flame is brought near it 闪点; 燃点; 引火点.
2 (fig 比喻) point at which violence or anger breaks out (暴力事件或愤怒的)爆发点
Community unrest is rapidly approaching the flashpoint. 群众的不安定情绪已接近一触即发之势.
The waiter seems to be in a hurry to take our order.
侍者似乎匆匆忙忙拿我们的订单。
you have the choice of very expensive organically-grown vegetables or a steady diet of pesticides every time you think you're eating fresh salads and vegetables, or just having an innocent glass of water!