重点讲解：
1. knock out 使不省人事；使入睡；
例句：He was knocked out by a single blow to the head.
他头上只被打了一下便昏过去了。
2. be that as it may 尽管那样；即便如此；
例句：Be that as it may, they finished the task a week in advance.
尽管那样，他们还是提前一周完成了任务。
3. on one's part 由某人作出的；
例句：There is no need for any further instructions on my part.
我没有必要再作进一步的指导。
4. be disappointed in （对某人）失望的，灰心的；
例句：You should have accepted that. I'm disappointed in you.
你本应该接受那个的，我对你很失望。
5. take on 承担，接受（尤指艰巨工作或重大责任）；
例句：He was always ready to take on the hardest job.
他总是愿意干最困难的工作。
6. live to tell the tale 大难不死；逃过劫难；幸免于难；
例句：You lived to tell the tale this time but who knows how far you can push your luck.
你这次算是逃过了一劫，不过谁知道你的运气还会持续多久呢？