英和和英

intellectual problems

unknown problem

a settled question

a problem

one's favourite topic

an involved problem

pose a problem

a question arose

to raise a question―give rise to a controversy

a knotty problem

remedy a problem

an elusive problem

the problems involved

an intractable problem

a trifling matter

the guts of a problem

an issue that becomes a problem

a problem that occurred once

a determinate answer to the problem

an expert on the problem

view a problem

There is a problem.

a baffling problem

a problem that happens

an intricate problem

Recognize an issue

a taking topic

a trivial problem

a trivial problem

a worrying problem