P6
1. And it was fear bordering on panic: The fear almost made me frightened.
2. I did not now for one instant…they were of him: At that time I did not believe even for a single movement that in an encounter with gorillas, it is the gorilla who is more afraid of human beings than human beings of the gorilla.
3. Here I was in the jungle…than any gorilla could ever be: The sentence describes how panic-striken the author was. The three “that’s”: the first “that” is an adjective, the second one is a relative pronoun being the object of the verb “reveal” in the attributive clause, and the third one is a conjunction introducing the objective clause, and the third one is a conjunction introducing the objective clause of “I know”. What was left of one: because of fear and fatigue, I was not my usual self, I could not call myself a complete human being. It was said with a touch of humor. “That certainty” refers to the fact that he was panic-stricken. His panic could only be revealed by a profound searching of the heart, for it was hard to admit to himself that he could be so frightened.
4. And I knew, with…any gorilla could ever be: Deep in my heart, I was quiet sure that I was more scared than any gorilla could ever be (scared). (I was more timid than any of the gorilla could be.)
5. There was no question whatever…looking him firmly in the eye: It was absolutely sure that I could not stand firmly on my ground and look at a gorilla right in the eye (I was too much frightened to do that).
6. stiffen into paralysis: almost frightened to death; too frightened to move (make a stir)
P7
1. mental anesthetic: I became too tired and tiredness made my brains numb.
2. subside: sink, drop, settle, lie, (fall on the ground)
P8
1. amnesia: forgetfulness
2. daze: shock, bewilderment, astonishment, surprise
3. scramble: scurry, rush, race, run, struggle, strive, fight