Our narrator (whose name is Dr. Reeves, we find out later) says that this man is hitting him, and it's " ticking off." " To tick someone off" means to make them very, very angry – it's an informal expression.
我们的解说员(他的名字是里夫斯博士,我们后来才知道)说这个人在打他, 而且是在“打勾” 。 “打勾某人”的意思是让他们非常、非常生气——这是一种非正式的表达方式。