irrecognizable

adj.不能认识的

不能辨认的；难以认出的；

形容词；

1、After the accident, her face was severely injured and became completely irrecognizable.
事故后，她的脸部严重受伤，完全不可辨认了。
2、The old photograph had faded over time, making the people in it irrecognizable.
这张旧照片因为时间的流逝而褪色，使得照片中的人们几乎认不出来了。