耳濡目染

ěrrúmùrǎn
to be influenced

CEDICT

to be influenced by the surrounding environment

Wiktionary

听熟了，看惯了，因而深受影响。如：「在良好环境中，耳濡目染久了，自然也变好了。」也作「目染耳濡」、「目擩耳染」、「日渐月染」、「日濡月染」、「耳染目濡」。

重編國語辭典

经常听到、看到，因而无形中受到影响

維基詞典

Entry Composition

1 耳 ěr
  1. ear
  2. handle (archaeology)
  3. and that is all (Classical Chinese)
2 濡 rú
  1. dilatory
  2. to moisten
3 目 mù
  1. eye
  2. (literary) to look; to regard
  3. eye (of a net); mesh
  4. mesh size; grit size (abbr. for 目数 mùshù)
  5. item; section
  6. list; catalogue
  7. (taxonomy) order
  8. name; title
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