Mr. pinkston of the international crisis group said the delay provided an opportunity for south korea 's military to observe whether north korea was preparing for another attack .
国际危机组织的平克斯顿说，推迟演习使韩国军方有机会观察朝鲜是不是在准备发起新一轮袭击。
Daniel pinkston , the senior analyst in seoul for the international crisis group , says while there is no indication of a mobilization of north korea 's military , the announcement from pyongyang is puzzling and worrying .
