Definition

Examples

• 这个政策产生了意想不到的反作用。
  Zhège zhèngcè chǎnshēng le yìxiǎng bú dào de fǎn zuò yòng.
  This policy produced unexpected side effects.
• 力的作用是相互的，有作用力就有反作用。
  Lì de zuòyòng shì xiānghù de, yǒu zuòyònglì jiù yǒu fǎn zuò yòng.
  The action of force is mutual; for every action there is an opposite reaction.
• 药物虽然有效，但也会带来一些反作用。
  Yàowù suīrán yǒuxiào, dàn yě huì dài lái yìxiē fǎn zuò yòng.
  Although the medicine is effective, it can also bring some side effects.