天下没有白吃的午餐
tiān​xià​méi​yǒu​bái​chī​de​wǔ​cān

there is no such thing as a free lunch

  1. 天下 tiān​xià noun
    the world
    the whole world; all of society; everywhere on earth
  2. 没有 沒有 méi​yǒu verb
    to not have
    to not possess something or for something to not exist; there is not; to be without
  3. 白吃 bái​chī
    to eat for free
    To eat without paying; to sponge off others for food
  4. 的 de particle
    [possessive/attributive]
    Connects a describing word or phrase to the noun it describes; also used to indicate a possessive relationship.
  5. 午餐 wǔ​cān noun
    lunch
    midday meal; luncheon