HURT [C, U] › an unpleasant physical feeling caused by an illness or injury: chest/stomach pains Are you in pain? I felt a sharp pain in my foot. She was given some medicine to ease the pain. SADNESS [U] › sadness or mental suffering caused by an unpleasant event: I can't describe the pain I suffered when he died. be a pain (in the neck) informal › to be annoying: My brother can be a real pain in the neck sometimes.
be at pains to do sth; take pains to do sth › to make a lot of effort to do something: He was at great pains to explain the reasons for his decision.