Leggero / pesante - 轻重

The characters  轻重, are pronounced qīngzhòng in Mandarin Chinese. This term literally means "light and heavy" and is used to describe the weight, severity, or degree of seriousness of a situation. 

Key Meanings and Usage

• Physical Weight: Literally refers to how light or heavy something is.
• Severity/Importance: Used to describe the seriousness of a case or event (e.g., "the severity of the crime").
• Sense of Propriety: Often appears in the phrase 不知轻重 (bù zhī qīng zhòng), which means "not knowing what's important" or failing to appreciate the gravity of a situation.