My sister-in-law said, "Dad, let's push him down quickly!"
Lu Jialing pushed Li Zifeng's lower back hard and said to Lu Yun through gritted teeth: "He is holding on to the window edge with all his strength. Pry his hand off quickly."
On the other hand, Liang Fu took out a deep-frozen kitchen knife from the kitchen and said to the two of them: "Be careful, watch me slash his hand with the knife, he will let go when it hurts, and then you push him down."