adj.隐约的，依稀的，不明显的

The twins looked so indistinguishable that it was hard to tell them apart.
这对双胞胎长得如此相像，几乎无法分辨。
In the chaos of the battlefield, the soldiers were indiscernible from the enemy.
在战场上，士兵们与敌人混杂在一起，难以辨认。
The philosopher's arguments were so subtle that they seemed indiscernible to the uninitiated.
这位哲学家的观点非常微妙，外行人很难理解。
The indiscernible noise in the background made it difficult to concentrate on the lecture.
背景中的微弱噪音使集中精力听讲座变得困难。
The two pieces of artwork appeared identical, making them seemingly indiscernible.
这两幅艺术品看起来完全一样，仿佛无法区分。
The scientist's findings were so precise that they were indiscernible from experimental error.
科学家的研究结果精确到几乎无法从实验误差中区分。
The twins' identical voices made their conversation indiscernible to anyone listening.
双胞胎一模一样的声音使得他们的对话对于倾听者来说难以分辨。
The indiscernible smile on her face hinted at a secret she was keeping to herself.
她脸上不易察觉的笑容暗示着她藏着一个秘密。
The quantum particles exhibited an indiscernible behavior, defying classical physics laws.
量子粒子表现出无法观察的行为，违反了经典物理学定律。
The ancient script was so faded that its characters appeared indiscernible without a magnifying glass.
这些古老的字迹已经褪色，没有放大镜几乎看不清。