Every rebel raid is another turn of the screw.叛军每次发动袭击就是又向前逼进一步。Each letter from my bank is another turn of the screw.银行的每一封来信都给我带来更大的压力。Every rebel raid is another turn of the screw, increasing the pressure on the President.每次叛乱分子发动袭击就是又往前逼进了一步，使得总统的压力越来越大。