It's the understanding that he can make things happen in the world; he can defendhimselfagainst his father's punishment through the use of words.
这是一种理解，他可以让事情发生在世界上；他可以用语言来为自己辩护，使自己免受父亲的惩罚。
2
Now, he was forced to defendhimselfagainst those old charges.
现在，他被迫捍卫自己对那些旧的收费。
3
And proceeds to do the only thing he can do to defendhimselfagainst Hal, which is shut down the program, basically killing — if we can talk that way — killing Hal.