人之常情

rénzhīchángqíng
  1. human nature (idiom)
  2. a behavior that is only natural

CEDICT

human nature; what is natural and normal in human relationships; it's only human

Wiktionary

一般情况下人的感情表现。南朝梁．江淹〈杂体诗序〉：「又贵远贱近，人之常情，重耳轻目，俗之恆蔽。」《初刻拍桉惊奇．卷六》：「既得陇，复望蜀，人之常情，既尝着滋味，如何还好罢得？」也作「人情之常」。

重編國語辭典

Entry Composition

1 人 rén person; people

classifiers: 個, 位
2 之 zhī
  1. (possessive particle, literary equivalent of 的 de)
  2. him
  3. her
  4. it
3 常情 chángqíng common sense; the way people usually feel about things

Related entries

人性 rénxìng
  1. human nature
  2. humanity
  3. human
  4. the totality of human attributes