1、no problem[nəu ˈprɔbləm]不麻烦，没什么，没事儿，非常容易。
Getting out of the contract would beno problem.撤销这个合同不会有任何问题。
2、no trouble[noʊ] [ˈtrʌbəl]He hadno troublecasting the movie.他为该部电影挑选演员没费一点力气。
问题：question， problem， matter。
1. Issues such as these were not really his concern.他其实并不关心诸如此类的问题。
2. I recall many discussions with her on these and kindred topics.我回想起多次同她就这些问题及类似话题进行的讨论。
3. This brings us to the second question I asked.这就将我们带到了我所提的第二个问题。
4. The plan is good; the problem is it doesn't go far enough.计划不错；问题在于不够深入。
5. The key issue was whether the four defendants acted dishonestly.关键问题是4名被告是否存在欺诈行为。
