重点讲解：
1. figure out 想出；理解；弄清；
例句：It took them about one month to figure out how to start the equipment.
他们花了大约1个月的时间才搞清楚如何启动设备R)Pq0F@=pv(5。
2. be able to do sth. 可以…的，能够…的；
例句：I was able to gain invaluable experience over that year.
在那一年里我有幸获得了非常宝贵的经验^,9TBukfod。
3. go on 进行；发生；
例句：They put a screen in front of me so I couldn't see what was going on.
他们在我面前竖了一面屏风，所以我看不到发生了什么事情7(Ys_!JKRe]!UTW.5L4。
4. horse around 胡闹；哄闹；
例句：Later that day I was horsing around with Katie when she accidentally stuck her finger in my eye.
那天晚些时候，我正和凯蒂一起胡闹时，她不小心用手指戳到了我的一只眼睛w3i6DMqT]DK。