据说将军们的胆气是很豪的，他们说：“打下延安是不成问题的问题。”
It is said that the generals are in good fettle and are proclaiming ," taking Yenan is no problem . "
虽然3天时间不算长，但对他来说，这已经是最不成问题的问题了。
Although three days isn 't very long , shortage of time was the least of his problems
不成问题的问题