词典释义：
a blurred or smeared mark on the surface of something
污迹
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a smudge of blood on the floor .地板上的一块血迹。
an indistinct or blurred view or image
模糊不清的景象（或图像）
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the low smudge of hills on the horizon .地平线上低矮小山的模糊景象。
cause (something) to become messily smeared by rubbing it
（通过抹、擦）弄脏，涂污
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she dabbed her eyes, careful not to smudge her make-up .她小心翼翼地轻擦双眼，以免把上好的妆弄糊了。
[no obj.]become smeared when rubbed
被弄污
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mascaras that smudge or flake around the eyes .容易把眼部涂污或在眼睛周围结块的睫毛膏。
make blurred or indistinct
使模糊
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the photograph had been smudged by the photocopier and was by no means as clear as the original .照片已经被复印机弄模糊，根本不像原件那样清楚了。
〈北美〉 （驱虫或防霜冻）熏烟火堆，熏烟。
" late Middle English （as a verb in the sense ‘soil, stain’）： of unknown origin. The noun dates from the late 18th cent.mid 18th cent. （in the sense ‘suffocating smoke’）： of unknown origin related to obsolete
