in·vul·ner·a·ble
adjective/ɪnˈvʌlnərəbl/
/ɪnˈvʌlnərəbl/
- that cannot be harmed or defeated
不会受伤害的；打不败的 - to be in an invulnerable position
立于不败之地 - Parents may seem invulnerable to their children.
父母对孩子来说似乎无懈可击。 - invulnerable to something The submarine is invulnerable to attack while at sea.
潜艇在海上是不会受到攻击的。
Word Originlate 16th cent. (earlier than vulnerable): from Latin invulnerabilis, from in- ‘not’ + vulnerabilis (from vulnerare ‘to wound’, from vulnus ‘wound’). - to be in an invulnerable position