杀生到底讲了个什么故事pretence of looking about as if for some friend who was not there,

Psm 129:4 The Lord is true: the cords of the evil-doers are broken in two.

杀生到底讲了个什么故事 

Professor Sprout set them all to work pruning the Abyssinian Shrivelfigs. Harry went to tip an armful of withered stalks onto the compost heap and found himself face-to-face with Ernie Macmillan. Ernie took a deep breath and said, very formally, “I just want to say, Harry, that I'm sorry I ever suspected you. I know you'd never attack Hermione Granger, and I apologize for all the stuff I said. We're all in the same boat now, and, well—”
Psm 139:4 For there is not a word on my tongue which is not clear to you, O Lord.