不可区分

The two twins were so undistinguishable that even their parents had trouble telling them apart.
这对双胞胎长得如此相像，连他们的父母都很难分辨出来。
The new edition of the book is undistinguishable from the original.
新版书籍与原版几乎一模一样，无法区分。
In the dark, the colors on the wall became undistinguishable.
在黑暗中，墙上的颜色变得难以辨认。
Their voices were almost undistinguishable over the loud music.
在嘈杂的音乐声中，他们的声音几乎无法分辨。
The small print on the contract was too blurry to be undistinguished.
合同上的小字太模糊了，无法看清。
The snowfall made all the houses in the village look undistinguishable.
大雪让村子里的所有房子看起来都差不多。
The identical furniture designs made it difficult to tell one room from another.
相同的家具设计使得各个房间看起来毫无区别。
The identical twins dressed identically, making them completely undistinguishable.
那对双胞胎穿着完全相同的衣服，让人完全分不清谁是谁。
The fingerprints at the crime scene were too smudged to be undistinguished.
犯罪现场的手印太模糊，无法识别。
The sunset painted the sky with hues so similar that they were almost undistinguishable.
日落时分天空被染上了一片相似的色彩，几乎无法区分开来。