1. pile up：堆积，积累
For the sake of safety, you shouldn't pile up your stuff at the emergency exit.
为了安全起见，你不应该将东西堆在紧急出口。
混淆短语：pile on：涌上（巴士、火车、飞机等）
The crowd piled on the bus as soon as it stopped.
公车一停下来，人们就一拥而上。
2. play a role in：在……发挥作用，在……扮演角色
Your technical assistance played an important role in the project.
你的技术支援在这项计划中扮演了重要角色。
混淆短语：play on one's weaknesses：利用某人的弱点
It is his strategy to defeat his opponents by playing on their weaknesses.
他的策略就是利用对手的弱点击败对方。
3. play away：浪费，玩掉
No sooner had he received a large amount of money than he played away all off them.
在他得到一大笔钱不久之后，就把它全玩完了。
4. point to：表明，说明
All the evidences point to the same conclusion that his man is the murderer.
所有证据都说明同一个结论：这个男人，就是凶手。
混淆短语：away from the point：不得要领，离题
The discussion became meaningless for it was totally away from the point.
这场讨论因完全脱离主题而变得毫无意义。
5. point a finger at：指责
Everyone pointed a finger at him for the unforgivable mistake he had made.
所有人都指责他犯下了不可原谅的过错。
替换短语：lay the blame on：责怪某人
Everyone laid the blame on him for the unforgivable miskate he had made.
所有人都指责他犯下了不可原谅的过错。
6. pose a problem for：给……造成困难
I'm afrai that the bad weather will pose a problem for the outdoor opening ceremony.
恐怕恶劣的天气会给户外开幕典礼造成困难。
7. pour cold water on：对……泼冷水
He always pours cold water on any ideas that his subordinates comes up with.
他总是对部下提出的意见泼冷水。
混淆短语：pour out：涌出
The students poured out of the classroom as soon as the teacher dismissed the class.
老师一说下课，同学们就涌出了教室。
8. prefer to：更喜欢，宁愿
He prefers to prepare for the tests in advance.
他更喜欢提前准备考试。