处世经验ways of the world(plural)

• 不通世故人情

  not know the ways of the world

• 懂得世故

  know the ways of the world

• 世故不深

  inexperienced in the ways of the world

• 饱经世故

  be well-versed in the ways of the world

• 老于世故的人

  worldly-wise person