adj.不能认识（辨认；承认）的

The face of the person in the old photograph was almost irrecognizable due to the poor quality of the image.
这张老照片上的人脸几乎无法辨认，因为图片质量很差。
After years of war and displacement, many refugees found their hometowns irrecognizable upon return.
经过多年的战争和流离失所，许多难民在返回时发现自己的家乡面目全非。
The once bustling city center had become irrecognizable with the construction of new skyscrapers and modern infrastructure.
曾经繁华的城市中心因新建的摩天大楼和现代化基础设施而变得面目全非。
The artist's painting style had evolved so much that his early works were now irrecognizable to his fans.
艺术家的绘画风格已经发生了很大的变化，以至于他的早期作品现在对他粉丝来说几乎无法辨认。
Due to the severe damage caused by the hurricane, the once beautiful beach was now irrecognizable.
由于飓风造成的严重破坏，曾经美丽的海滩现在面目全非。
The original manuscript of the classic novel was lost, leaving only irrecognizable fragments for scholars to study.
经典小说的原始手稿丢失了，只留下一些面目全非的碎片供学者研究。
The once clear river had become irrecognizable with pollution, causing harm to the local ecosystem.
曾经清澈的河流因污染而面目全非，对当地生态系统造成了伤害。
The actor's drastic transformation for a new role left his fans irrecognizable when they saw him on screen.
演员为了新角色而进行的彻底转变使他在屏幕上出现时，粉丝们几乎无法辨认出他。
The ancient temple had undergone extensive renovations, leaving it virtually irrecognizable to its former visitors.
古代寺庙进行了大规模的翻修，让以前的游客几乎无法辨认出它原来的面貌。
The once thriving industry had declined so much that its former glory was now irrecognizable.
曾经繁荣的产业衰退得如此之快，以至于其昔日的辉煌如今已面目全非。