踌躇不决

Explanation: Hesitant: hesitant, hesitation. I still hesitate to describe the suspect could not decide. 　　Source: Ming Luo, "Three Kingdoms" the twenty-second back: "Four arguments uncertain, Shao hesitated. 　　Examples: Jing Gong Wei-Wei port though not, and finally to the same family as the suspect Chen Tian, ~. (Ming Feng Meng, "Eastern Zhou Chi," the eighty-third back)