ADJ-GRADED
不熟悉的；陌生的
If something is unfamiliar to you, you know nothing or very little about it, because you have not seen or experienced it before.
例句
She grew many wonderful plants that were unfamiliar to me...
她種了很多我不熟悉的奇妙植物。
I was alone in an unfamiliar city.
我在一個陌生的城市里形單影只。