indistinct

adj.不清楚的,模糊的,朦胧的

不清晰的；模糊的；难以辨别的。

形容词

1、The photograph was indistinct and blurry, making it hard to make out the details.
这张照片模糊不清，很难看清细节。
2、The voice on the phone was indistinct, and I couldn't recognize who was speaking.
电话那头的声音听不清楚，我无法认出是谁在说话。