Definition
If something is described as foreign to someone, it means that they are unfamiliar with it or it is outside the scope of their experience.
陌生的；不熟悉的
She claimed that the entire concept of democracy was utterly foreign to the current government.
她声称，整个民主的概念对现任政府来说是完全陌生的。
The idea of reusing items instead of discarding them is completely foreign to them.
对他们来说，重复使用物品而不是丢弃的想法是完全陌生的。
The disrespectful way he spoke about his parents was utterly foreign to us.
他对父母说话时那种不尊重的态度对我们来说是极其陌生的。