problem、question和matter它们的区别是什么?

problem:1。问题,疑难问题Measures have been taken to solve traffic problems in big cities。业已采取措施以解决大城市的交通问题。2。【数】习题,几何作图题3。难弄的人,引起麻烦的人[S1]My kid brother is a real problem。我弟弟真是个难弄的人。matter:1。事情;问题;事件[C]It was a matter of life and death for them。这事对他们来说是生死攸关。2。麻烦事,毛病[the S][(+with)]There's something the matter with this car。这辆汽车有点毛病。3。物质[U]Matter exists in three states:solid,liquid and gas。物质以三种形态存在,即固态、液态和气态。4。(文章等的)素材,内容;主题[the S]5。事态;情势[P]Matters are different from country to country。情形因国家而异。6。重要性[U]question:n。1。问题;询问[C]She asked me many questions about my adventures in the Arctic。她问了我许多有关我在北极探险的问题。2。要讨论(或考虑)的问题;争端;难题[C]3。怀疑;疑问[C][U][(+about)]There's no question about his honesty。他无疑是诚实的。4。【语】疑问句[C]