1. This is due to the enemy's
underestimation of China and also to his shortage of troops.
这是由于敌人对中国估计不足而来的,也有他自己兵力不足的原因。
3. Both
underestimation and morbid fear of Japan, tendencies likely to occur at such a time, did actually occur among the Kuomintang.
这时可能发生的,一方面是轻敌倾向,又一方面是恐日病,这些在国民党中都是发生了的。