How to say “question/problem” in Cantonese?

[display_podcast]
man6tai3 = question/problem
man6 = ask, ask about
tai3 = title

[audio: MAN6.mp3,TAI4.mp3|loop=yes ]Question/problem: man6tai4?? (auto repeat)

So mou5 man6tai4 ??? = “no problem.”[audio: MOU5.mp3,MAN6.mp3,TAI4.mp3|loop=yes ]
(auto repeat)

?Credit: some mp3 files are offered by mdbg.net )