blurring
[blɜ:rɪŋ]
n.
模糊，斑点甚多，（图像的）混乱;
v.
（使）变模糊( blur的现在分词 );
（使）难以区分;
例句:
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A dizziness overcame him, blurring his vision.
他感到一阵眩晕，眼前发黑。
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Sweat ran from his forehead into his eyes, blurring his vision.
汗水从额头流到了眼睛里，模糊了他的视线。
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The windows misted, blurring the stark streetlight.
窗上蒙了水汽，向外望去，原本突兀的街灯变得模糊起来。
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But distinctions between the two positions are blurring.
来自WSJ
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He had done such a great job blending and blurring musical boundaries.
来自BBC
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I would have run the tape, blurring the soldier's face.
来自BBC