Areas near the frontier were rough and lawless in the old days.过去边远地区混乱不堪, 而且没有法律。The government recognised there were problems in urban areas but these could never be an excuse for lawless behaviour.政府承认市区存在问题，但决不可拿这些作为...
I was determined not to succumb to the virus.我坚决不向病毒屈服。Malnourished children are more likely to succumb to infections.营养不良的儿童更有可能死于感染.They will never succumb to the enemies.他们决不向敌人屈服....