名詞 pains:

1. an effortful attempt to attain a goal
   同義詞：striving, nisus, strain

名詞 pain:

1. a symptom of some physical hurt or disorder
   同義詞：pain, hurting
2. emotional distress; a fundamental feeling that people try to avoid
   同義詞：pain, painfulness
3. a somatic sensation of acute discomfort
   同義詞：pain, pain sensation, painful sensation
4. a bothersome annoying person
   同義詞：pain, pain in the neck, nuisance
5. something or someone that causes trouble; a source of unhappiness
   同義詞：annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass

動詞 pain:

1. cause bodily suffering to and make sick or indisposed
   同義詞：afflict, trouble, ail, pain
2. cause emotional anguish or make miserable
   同義詞：pain, anguish, hurt

1. Chest pains may be symptomatic of heart disease.
   胸痛可能是心臟病的癥狀。
2. Flu is an infectious disease characterized by fever, aches and pains and exhaustion.
   流感是一種傳染病，其特征是發(fā)熱、全身疼痛和疲乏無力。
3. He spares no pains to study English.
   他不辭勞苦地學習英語。
4. No gains without pains.
   不勞無獲。