1.questions(提问的)问题,疑问;或(待讨论或处理的)事情;议题;课题,如: They asked a great many questions about England.他们问了一大堆有关英格兰的问题。
Let's look at the questions of security.咱们来看一下保安问题。
2.problems(通常指麻烦事) 棘手的问题;难题;困难 If he chooses Mary, it's bound to cause problems .如果他选择玛丽,肯定要招来后患。 Let me know if you have any problems.你若有困难就告诉我。