一塵不染

yìchénbùrǎn

not soiled by a speck of dust; spotless

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yī chén bù rǎn

spotless, clean, pure, flawless; stainless, free of stains

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yi1 chen2 bu4 ran3

untainted by even a speck of dust (idiom); selfless and incorruptible, spotless

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一塵不染|一尘不染 [yī chén bù rǎn] ► untainted by even a speck of dust (idiom); selfless and incorruptible ► spotless