重点讲解：
1. there's no need to do sth. 没有必要；不必；
例句：I heard you. There's no need to jump down my throat.
我听到了，没必要粗暴地与我讲话。
2. waste time (in) doing sth. 浪费时间做某事；
例句：Don't waste time making excuses! Just do it!
别浪费时间找借口了！马上去做！
3. get to the point 谈到正题；讲到关键问题；
例句：I've discovered that others find this refreshing as well, as it makes meetings more focused and creates an urgency to get to the point.
我发现其他人也觉得这样安排很有新意，这样使参会者注意力更加集中，而且会议内容也切中要点。
4. in reality 事实上；实际上；
例句：It seems as if he knew everything, but in reality, he is as stupid as can be.
他似乎是个万事通，其实他是再愚蠢不过了。
5. fill up （使）装满；（使）注满；（使）充满；
例句：I fill up the tank with gasoline about once a week.
大约每个星期我加满一箱汽油。
