1. If you apply a job, you need to prepare for the interview, by that time, you often meet some intractable questions. 你若要申请工作，就得做好面试的准备，到时常常得回答一些棘手的问题。
2. Their sins are now largely forgotten, thanks in part to the intractable controversy over the moral status of embryos. 部分地由于对晶胚的道德地位的难以驾驭的争论，他们的罪过现在已基本被忘记。
3. During the development of modern city, urban building demolition is not only an inevasible problem but also a very intractable assignment. 在现代城市发展中，房屋拆迁是一个难以回避的问题，也是城市建设中很棘手的一项任务。
英英解释
adj.
1. not tractable; difficult to manage or mold
