慾火〔欲-〕 juk⁶ fo² {yù huǒ}

lust

慾望〔欲-〕 juk⁶ mong⁶ {yù wàng}

1. desire
2. longing
3. appetite
4. craving

慾火焚身〔欲---〕 juk⁶ fo² fan⁴ san¹ {yù huǒ fén shēn}

burning with desire

慾壑難填〔欲-难-〕 juk⁶ kok³ naan⁴ tin⁴ {yù hè nán tián}

1. bottomless pit of desire (idiom); insatiable greed
2. carnal cravings are never satisfied and are a main obstruction on the path to enlightenment

慾仙慾死〔欲-欲-〕 juk⁶ sin¹ juk⁶ sei² {yù xiān yù sǐ}

1. to wish one were dead (idiom)
2. (fig.) to be in seventh heaven