powder-keg

n 1 small metal barrel for holdinggunpowder （金属的）小型火药桶. 2 (fig 比喻) potentiallydangerous or explosive situation 具有潜在危险的或爆炸性的情势: Rising tensions have turned the area into a powder-keg and any incident could set off a riot. 形势越来越紧张, 该地区已成了火药桶, 任何小事均能激起一场动乱.

pouch, pouffe (also pouf), poulterer, poultice, poultry, pounce, pound, poundage, pounder, pounding, pour, pout, poutingly, poverty, poverty line, poverty trap, poverty-stricken, POW, powder, powder blue, powder-magazine, powder-puff (also puff), powder-room, powdery, power, power cut, power house, power line, power politics, power-boat, power-dive, power-point, power-station (US `power plant), powered, powerful, powerfully, powerless, powerlessly, powerlessness, powwow,