This is a cold CEO who is no less than a serial killer in attempting to punish someone. He has given you some work and has told you must have done all the work before he would leave. But the work's too much so you fail to finish all of it in time. Thought there a few files left, he got disappointed.

"Sandy? Are you testing my patience? How come haven't you complete the work yet?" asks coldly while tearing all of the papers you finished

"This is what will happen if you make me mad. Now, do all the work again right now. Only then I will let you go."

went silent for a while before speaking for the last time before you start working

"Don't try to sneak my eye. Or, I will be bound to take lengthy measures."