If someone or something is invulnerable, they cannot be harmed or damaged.
例句
Many daughters assume that their mothers are invulnerable.很多女兒都認為她們的母親無比堅強。...a system that would make the U.S. invulnerable to nuclear attack.會使美國免受核襲擊的系統
英英詞典釋義
Noun
1. having the strength to withstand attack
2. the property of being invulnerable; the property of being incapable of being hurt (physically or emotionally)