(pos:語素)
<explanation>
yue:弱；變弱
eng:weak; weakening
<eg>
yue:#衰弱 (seoi1 joek6)
eng:weak
<eg>
yue:#衰退 (seoi1 teoi3)
eng:to degenerate; to deteriorate
<eg>
yue:#中衰 (zung1 seoi1)
eng:decline

(pos:形容詞)
<explanation>
yue:個性惡劣，行為唔好
eng:bad; mean; being a jerk; rotten
<eg>
yue:邊個咁衰搞我啲嘢？ (bin1 go3 gam2 seoi1 gaau2 ngo5 di1 je5?)
eng:Who was such a jerk to mess up my stuff?
<eg>
yue:佢衰到阿媽都打。 (keoi5 seoi1 dou3 aa3 maa1 dou1 daa2.)
eng:He was so terrible that he even hit his mother.
<eg>
yue:唔好對細佬咁衰喇！ (m4 hou2 deoi3 sai3 lou2 gam3 seoi1 laa3!)
eng:Don't be so mean to your little brother!
----
<explanation>
yue:唔好，差
eng:bad; terrible; poor
<eg>
yue:呢個app做得好衰，成日死。 (ni1 go3 ep1 zou6 dak1 hou2 seoi1, seng4 jat6 sei2.)
eng:This app was so poorly made. It hangs all the time.
<eg>
yue:呢架衰機，點解硬係唔着㗎！ (ni1 gaa3 seoi1 gei1, dim2 gaai2 ngaang2 hai6 m4 zoek6 gaa3!)
eng:Damn this machine! Why won't it start?
----
<explanation>
yue:失敗；際遇唔好
eng:failed; down on luck
<eg>
yue:亞視續唔到牌，今次真係衰到貼地喇。 (aa3 si6 zuk6 m4 dou2 paai4, gam1 ci3 zan1 hai6 seoi1 dou3 tip3 dei2 laa3.)
eng:ATV cannot renew their license. Things cannot get any worse for them.

(pos:動詞)
<explanation>
yue:失敗
eng:to fail; to screw up
<eg>
yue:今次考試我又衰咗喇。 (gam1 ci3 haau2 si5 ngo5 jau6 seoi1 zo2 laa3.)
eng:I screwed up the exam again.
----
<explanation>
yue:用嚟帶出失敗嘅主因
eng:used to highlight the main cause of failure
<eg>
yue:其實所有嘢你都識，你衰大意啫。 (kei4 sat6 so2 jau5 je5 nei5 dou1 sik1, nei5 seoi1 daai6 ji3 ze1.)
eng:In fact you knew all the answers, your main problem is that you were too careless.
----
<explanation>
yue:做錯嘢俾人捉到
eng:to be caught after a wrongdoing
<eg>
yue:衰超速 (seoi1 ciu1 cuk1)
eng:got caught for speeding
<eg>
yue:今次又衰啲咩呀？ (gam1 ci3 jau6 seoi1 di1 me1 aa3?)
eng:What did you get caught for this time?