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。
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。”。
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。