obscure

• For some obscure reason, he knew he should not leave .
  自己也说不清是什么缘故，他总觉得他实在不应该走。
• Well, that's one way for an obscure person to go down in history .
  哦，这倒是个无名之辈流芳千古的好办法！
• Some obscure disease had taken the fire out of her figure .
  某种原因不明的疾病已经夺去了她体内的生命之火。
• The coming night gradually obscured the smoke of the chimneys .
  夜幕降临，逐渐遮掩住家家户户烟囱里冒出的炊烟。
• The expansion of the envelope will gradually thin out the obscuring dust .
  包壳的膨胀会使不透明的尘埃逐渐变得稀薄。
• The new details were resented as obscuring the main ideas .
  人们对于这些新的琐碎细节感到不满，因为它们掩盖了主要的思想。
• Truth is so obscure in these times, and falsehood so established .
  目前的时代，真理是那样晦暗不明，谎言又是那样根深蒂固。
• He struck down the hill northwards and came to an obscure public house .
  他朝着北面下了丘原，走到了一个很少人知道的酒店。
• Daylight was breaking over berlin, but the sun was obscured by the smoke of battle .
  柏林已经破晓，但战争的烟雾遮住了太阳。