1. have to do with 与…有关
The President's message to Congress has to do with taxes.
总统向国会提出的咨文与税有关。
2. matrix (唱片的)原版
3.on-the-spot 现场的,当场做成
on-the-spot teaching 现场教学
4. put together 合在一起
I have put together my own ideas for such a programme.
我已经把关于这类计划的想法归纳起来了。
5. by accident 偶然
He met Tom by accident.
他偶然遇到汤姆。
【反义词】by design 故意地, 蓄意地
6. second-hand 旧货