世轻世重时轻时重shì qīng shì zhòng

〔of punishments and fines〕 light in one age and heavy in another
❍ 刑罚～。(《尚书·吕刑》) Punishments and fines should also be light in one age and heavy in another.

世轻世重shì qīnɡ shì zhònɡ

当世的刑罚有时轻有时重。意谓要根据当时的社会情况来决定刑罚的轻重宽严。