problem
/ˈprɒbləm/noun
1
- a matter or situation regarded as unwelcome or harmful and needing to be dealt with and overcome问题, 疑难问题：
they have financial problems
他们面临财政困难
mental health problems.
心理健康问题。
1.1
- a thing that is difficult to achieve or accomplish难事; 困难：
motivation of staff can also be a problem.
如何调动员工积极性也是棘手问题。
2
- Physics & Mathematics an inquiry starting from given conditions to investigate or demonstrate a fact, result, or law【物理, 数】习题; 问题。
2.1
- Geometry a proposition in which something has to be constructed【几何】作图题。比较THEOREM.
2.2
- (in various games, especially chess) an arrangement of pieces in which the solver has to achieve a specified result（尤指国际象棋等）棋式, 棋题, 排局。
短语
have a problem with
- disagree with or have an objection to不同意; 反对：
I have no problem with shopping on Sundays.
我不反对星期天去购物。
no problem
- used to express one's agreement or acquiescence（表示同意、默许）没问题：
'Can you come over here right away?' 'No problem.'
“你能马上过来吗？”“没问题。”
that's your（或his, her等） problem
- used to express one's lack of interest in or sympathy with the problems or misfortunes of another person（表示对他人的问题或不幸没兴趣、不同情）这是你的（他/她的）问题：
he'd made a mistake but that was his problem.
他出错了, 可这是他自己的事。
词源
late Middle English (originally denoting a riddle or a question for academic discussion)： from Old French probleme,via Latin from Greek problēma,from proballein 'put forth'，from pro 'before'+ballein 'to throw'.