disagree with or have an objection to
不同意；反對
I have no problem with shopping on Sundays.
我不反對星期天去購物。
used to express one's agreement or acquiescence
（表示同意、默許）沒問題
‘Can you come over here right away?’ ‘No problem.’.
“你能馬上過來嗎？”“沒問題?！?。
used to express one's lack of interest in or sympathy with the problems or misfortunes of another person
（表示對他人的問題或不幸沒興趣、不同情）這是你的（他/她的）問題
he'd made a mistake but that was his problem.
他出錯了，可這是他自己的事。