打碼 [－码]

Jyutping daa2 maa5
Pinyin dǎ mǎ

Definitions (CC-CEDICT)
  1. to pixelate an image
  2. to key in captcha authentication codes
Definitions (Wiktionary)
  1. verb
    to print with oil-based ink on products
    (syn.) 噴碼, 喷码
  2. verb
    to fill in verification codes or CAPTCHAs at a large amount
  3. verb
    to pixelate or blur images or videos