pain

Từ điển American Heritage Dictionary 4th

pain (pān)n.
1. An unpleasant sensation occurring in varying degrees of severity as a consequence of injury, disease, or emotional disorder.
2. Suffering or distress.
3. pains The pangs of childbirth.
4. pains Great care or effort:
take pains with one's work.
5. Informal. A source of annoyance; a nuisance.v. pained, pain·ing, painsv. tr.
To cause pain to; hurt or injure.v. intr.
To be the cause of pain.Idiom:on/under pain of
Subject to the penalty of (a specified punishment, such as death). [Middle English, from Old French peine, from Latin poena, penalty, pain, from Greek poinē, penalty. See kʷei-¹ in Indo-European Roots.] 
Synonyms: pain, ache, pang, smart, stitch, throe, twinge
These nouns denote a sensation of severe physical discomfort: abdominal pain; aches in my leg; the pangs of a cramped muscle; aspirin that alleviated the smart; a stitch in my side; the throes of dying; a twinge of arthritis.

• Từ đồng nghĩa / Synonyms:
  annoyance, bother, botheration, infliction, pain in the neck, pain in the ass, nuisance, pain sensation, painful sensation, painfulness, hurting, anguish, hurt, trouble, ail
• Từ trái nghĩa / Antonyms:
  pleasure, pleasance