一尘不染

一塵不染
yīchénbùrǎn
(idiom) untainted by even a speck of dust; spotlessly clean; (of a person) honest; incorruptible

CEDICT

  1. (Buddhism) to be unstained by an evil environment; to be selfless and incorruptible
  2. (figurative) to be immaculate; to be spotless
  3. to be immaculate; to be spotless
  4. to be unstained by an evil environment; to be selfless and incorruptible

Wiktionary

  1. 尘，比喻物欲，佛家以色、声、香、味、触、法为六尘。一尘不染指修道人六根清淨，不受尘俗干扰。《喻世明言．卷二九．月明和尚度柳翠》：「他从小出家，真个是五戒具足，一尘不染，在皋亭山显孝寺住持。」《红楼梦．第一一三回》：「我想他一尘不染，是保得住的了，岂知风波顿起，比林妹妹死的更奇。」后比喻品性高洁廉明。《清史稿．卷二九九．路振扬传》：「向闻振扬操守廉洁，今览此奏，非一尘不染者不敢言也。」《文明小史．第一二回》：「他自己做了几十年的官，依然是两袖清风，一尘不染。」
  2. 非常乾淨，一点灰尘都没有。《隋唐演义．第六回》：「乃一淨室去处，窗明几淨，果然一尘不染，万缘俱寂。」也作「纤尘不染」。

重編國語辭典

  1. 不被六尘（色、声、香、味、触、法）所玷污
  2. 形容非常乾淨，一点灰尘都没有
  3. 泛指人品纯洁，丝毫不沾染坏习气

維基詞典

Entry Composition

1 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
2 尘 chén
  1. dust
  2. dirt
  3. earth
3 不 bù
  1. no; not so
  2. (bound form) not; un-
4 染 rǎn
  1. to dye
  2. to catch (a disease)
  3. to acquire (bad habits etc)
  4. to contaminate
  5. to add color washes to a painting