(pos:名詞)(label:香港)
<explanation>
yue:殘疾人士登記證，係勞工及福利局畀殘疾人士自願登記嘅證件（量詞：張）
eng:Registration Card for People with Disabilities; literally: white card
<eg>
yue:好多人以為「白卡」係精神病先拎得，其實唔係㗎。 (hou2 do1 jan4 ji5 wai4 baak6 kaat1 hai6 zing1 san4 beng6 sin1 ling1 dak1, kei4 sat6 m4 hai6 gaa3.)
eng:Many people think that only people with mental disorders can apply for a "white card", but it is actually not the case.
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<explanation>
yue:借代精神病人或者精神失常嘅人，帶貶義
eng:(pejorative) used figuratively to refer to the mentally ill, or people who are perceived to be mentally unstable
<eg>
yue:白卡佬 (baak6 kaat1 lou2)
eng:mentally ill guy; crazy guy