a.

1. 暗的，黑暗的；朦胧的
   The room is too obscure for reading.

   房间太暗，不能看书。

2. 模糊的；含糊不清的；晦涩的，难解的[（+to）]
   The meaning of the passage is obscure.

   这段文字意义晦涩。

3. 隐匿的；偏僻的
   He came from an obscure mountain village.

   他来自一个偏僻的山村。

4. 无名的；微贱的
   It is written by an obscure young poet.

   这是一位不知名的年轻诗人写的。

vt.

1. 使变暗；遮掩
   The moon was obscured by the clouds.

   月亮被云遮暗了。

2. 使难理解；混淆
   His difficult style obscures his meaning.

   他深奥的文体使他的意思晦涩难懂。

3. 使不显著；使失色
   His success obscured his earlier failures.

   他的成功为他早先的失败遮了丑。

adj.

1. not discovered or known about; uncertain.
   ▸not important or well known.
2. not clearly expressed or easily understood.
3. hard to make out; indistinct.

v.

1. keep from being seen; conceal.
2. make unclear.