indistinct

形容词 indistinct:

1. not clearly defined or easy to perceive or understand

1. A low, indistinct sound or utterance.
   含糊的话低的不清晰的声音或语调
2. Her words were inward and indistinct when she was in a state of half unconsciousness.
   ＂她处于半昏迷状态时，她说话的声音低沉，模糊不清。＂
3. A low grumble or indistinct utterance.
   咕哝低声地嘟哝或者不清楚地说话
4. His indistinct speech made it impossible to understand him.
   他口齿不清，无法听懂他的意思。

in.dis.tinct

adj.（形容词）
Not clearly or sharply delineated:
轮廓不清晰的：轮廓或界线不清晰或不分明的：
例句：
an indistinct pattern; indistinct shapes in the gloom.
轮廓不明的图案；黑暗中模糊的形状

Faint; dim:
微弱的：光亮微弱暗淡的：
例句：
indistinct stars.
暗淡的星星

Hazy, vague:
模糊的：不清晰的：
例句：
an indistinct memory; an indistinct notion of how to proceed.
模糊的记忆；对如何前进的模糊想法

Difficult to understand or make out:
难于理解或辨别的：
例句：
indistinct speech.
难以理解的发言

【引伸】
in.distinct.ly
adv.（副词）
in.distinct.ness
n.（名词）