(pos:形容詞)(ant:好)
<explanation>
yue:唔好，會對人構成危害嘅嘢
eng:bad; harmful
<eg>
yue:壞習慣 (waai6 zaap6 gwaan3)
eng:bad habit
<eg>
yue:唔好同陌生人講嘢，小心壞人。 (m4 hou2 tung4 mak6 sang1 jan4 gong2 je5, siu2 sam1 waai6 jan4.)
eng:Don't talk to strangers. Be careful of bad people.

(pos:動詞)
<explanation>
yue:失靈；一部份失去功能
eng:cannot function; to be not working; to be out of order
<eg>
yue:個掣壞咗。 (go3 zai3 waai6 zo2.)
eng:The button is not working.
<eg>
yue:電腦壞 harddisk 呀。 (din6 nou5 waai6 harddisk aa3.)
eng:My computer's hard drive is dead.
<eg>
yue:壞咗啲乜呀？ (waai6 zo2 di1 mat1 aa3?)
eng:What (e.g. which part of a machine) was broken?
----
<explanation>
yue:指#食物、#飲品 腐爛、發臭、唔可以再食用
eng:(of food or drinks) to have gone bad
<eg>
yue:啲蛋壞咗喇。 (di1 daan2 waai6 zo2 laa3.)
eng:The eggs have gone bad.
----
<explanation>
yue:令一件事失敗
eng:to ruin; to spoil
<eg>
yue:你亂咁嚟，壞咗大事。 (nei5 lyun2 gam3 lai4, waai6 zo2 daai6 si6.)
eng:You are reckless, you spoil the important affair.

(pos:形容詞)(label:舊式)
<explanation>
yue:唔#乖；反叛；行為差
eng:not obedient; rebellious; bad behaviour
<eg>
yue:阿強好壞㗎，唔好成日群佢。 (aa3 koeng4 hou2 kwaai4 gaa3, m4 hou2 seng4 jat6 kwan4 keoi5.)
eng:Ah Keung is a bad kid; don't hang out with him.
<eg>
yue:又染頭髮又戴耳環，都唔知佢到邊度學到咁壞。 (jau6 jim5 tau4 faat3 jau6 daai3 ji5 waan2, dou1 m4 zi1 keoi5 dou3 bin1 dou6 hok6 dou3 gam3 kwaai4.)
eng:He dyed his hair and wears earrings, who knows where he learned to be so bad.