vitality

Compared meaning: the power to be active and live (noun).

比较义项：精力、生命力（有力量去生活和行动的能力）（名词）。

• energy

  Energy is the everyday, general word for physical or mental strength to be active; common in casual speech about daily activity levels, tiredness, or effort.

  energy 是日常、通用的词，指做事所需的体力或脑力；常用于口语中谈论日常活动水平、疲劳或努力程度。

  Kids seem to have endless energy after school.

  放学后孩子们似乎有用不完的精力。

• vitality 本词

  Vitality stresses life force and vigor itself, often used about health, aging, or living organisms; more formal than energy and less common in casual talk.

  vitality 强调生命力和活力本身，常用于健康、衰老或有机体的语境；比 energy 更正式，在日常口语中不如 energy 常用。

  After the treatment, the plant regained its vitality and turned green again.

  接受治疗后，这株植物恢复了生机，重新变绿了。

Energy and vitality both mean the power to be active. Energy is the everyday, general word for physical or mental strength, common in casual talk about tiredness or effort. Vitality stresses life force, often used about health, aging, or living things, and sounds more formal.

这两个词在该义项上都表示“有力量、能持续地活动”，但侧重不同：energy 更口语、更常用，指做事所需的体力或脑力，日常场合广泛使用；vitality 更强调生命力本身，常用于健康、衰老或有机体（如植物）的语境，语气也更正式。energy 在其他义项中还可指“能源”（如电力、燃料），此处不作比较。