unrecognizable
adj. 难以辨认的，无法识别的
例句
He was unrecognizable without his beard.
他刮掉胡子，无人认得出他了。
《牛津词典》
Today that same hotel is almost unrecognizable.
如今那同一家旅馆几乎无法辨认了。
《柯林斯英汉双解大词典》
The unrecognizable remains of a man had been found.
发现了一具无法辨认的男子的遗体。
