1.
Problems that are hard to read (either because of poor explanations, or hard to read writting) will not get full credit [may even get no credit].
很难分辨的问题（不管是因为较差的解释，还是书写的原因）都会因此而失分[甚至无分]。
2.
any two people who are hard to tell apart.
任何两个难以分辨的人。
3.
Some pronunciations are hard to distinguish.
觉得有的发音很接近，很难分辨。
4.
It is hard for young children to distinguish right from wrong.
对于小孩来说，分辨是非是困难的。
5.
Indistinguishable twins; a moth with markings that make it indistinguishable from its background.
难以分辨的双胞胎；蛾翅膀上的斑纹使得它与背景无法分辨
6.
It was difficult to discern which of them was to blame.
很难分辨出谁该负责任。
7.
an illegible scrawl.
难以辨认的潦草的笔迹。
8.
His signature was an illegible scrawl.
他的签名潦草难以辨认。
9.
Incompletely or illegibly addressed.
地址不全或难以辨认的。
10.
Your writing is hard to read.
你的笔迹很难辨认。
11.
The writer's manuscript is illegible.
作者的手稿难以辨读。
12.
TASK DIFFICULTY IN PERCEPTUAL IDENTIFICATION OF STIMULUS AND DISTRIBUTING PROCESSING ACROSS TWO HEMISPHERES;
刺激的知觉辨认难度与大脑两半球间的分布式加工
13.
With so many gray areas in society, it's getting harder to distinguish between what's right and what' s wrong.
社会上有那么多（量标准之间的）昧界限，分辨善恶就变得更困难了。
14.
I am a light achromatopsia sufferer, and it is a little difficult for me to see the color red.
我是色弱患者, 分辨红色有些困难。
15.
At night, all cats are grey.
猫在夜晚皆灰色(丑妍暗中难分辨)。
16.
An Analysis of the Difficulties of the University Students in Differentiating Phonetic sounds
大学英语专业学生语音辨析困难分析
17.
Bad resolution format or unsupported resolution.
错误的分辨率格式或不支持的分辨率。
18.
Not legible or decipherable.
模糊的，难辨的无法读出或解释的