Tell me something that...
is a waste of time.
Tell me something that...
is frustrating.
Tell me something that...
is time-consuming.
Tell me something that...
makes you lose patience.
Tell me something that...
is awkward.
Tell me something that...
drives you crazy.
Tell me something that...
is complex.
Tell me something that...
gets on your nerves.
Tell me something that...
is tricky.
Tell me something that...
is hard to operate.