癩〔癞〕 laai³ {lài}

1. scabies
2. skin disease

癩瘡〔癞疮〕 laai³ cong¹ {lài chuāng}

impetigo

癩蝦蟆〔癞虾-〕 laai³ haa¹ maa⁴ {lài há ma}

Toad (癩蛤蟆 laai3 haa1 mou1)

癩皮狗〔癞--〕 laai³ pei⁴ gau² {lài pí gǒu}

(noun) mangy dog

癩蛤蟆〔癞--〕 laai³ haa¹ mou¹ {lài há ma}

toad

癩皮病〔癞--〕 laai³ pei⁴ beng⁶ {lài pí bìng}

1. pellagra
2. scabies

癩蛤蟆想食天鵝肉〔癞-----鹅-〕 laai³ haa¹ mou¹ soeng² sik⁶ tin¹ ngo⁴ juk⁶ {lài há ma xiǎng shí tiān é ròu}

literal meaning: a toad lusting after a swan's flesh, a metaphor to describe those who wants to go after someone that is out of their league