invulnerable
adj
1 ~ (to sth) that cannot be wounded, hurt or damaged by attack 不能伤害的; 不能攻破的
a fortification that is invulnerable to attack 固若金汤的防御工事.
2 (fig 比喻) secure; safe 安全的; 保险的
in an invulnerableposition 立於不败之地.
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
It's nothing.
小事情。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.