英和和英

a problem play

a problem play

the maintenance-or-abolition question

a vexing problem

an explosive issue

an unsettled issue

the question of the hour

a little problem

a trifling matter

the race problem

the previous question―a prerequisite

a ticklish question

an involved problem

A paper is set.

a negative proposition

an open question

a problem

the revival of a question

a settled question

a worrying problem

a mystifying problem

a baffling problem

a dead issue

a nasty problem

an elusive problem

unknown problem

an intractable problem

the rootedness of the problem

an insoluble problem

a shogi problem