(pos:名詞)
<explanation>
yue:物體最下方嘅部分
eng:bottom; base
<eg>
yue:海底 (hoi2 dai2)
eng:bottom of the sea; sea bed
<eg>
yue:#餅底 (beng2 dai2)
eng:bottom of a cake
<eg>
yue:#底部 (dai2 bou6)
eng:base; bottom
<eg>
yue:#底層 (dai2 cang4)
eng:base; ground floor
<eg>
yue:#摸酒杯底 (mo2 zau2 bui1 dai2)
eng:to have a drink (alcohol); literally: to touch the bottom of the wine glass
<eg>
yue:呢個池深到對腳都掂唔到底，唔係咁適合游水。 (ni1 go3 ci4 sam1 dou3 deoi3 goek3 dou1 dim3 m4 dou2 dai2, m4 hai6 gam3 sik1 hap6 jau4 seoi2.)
eng:This pool is too deep for swimming—my feet can't touch the bottom.
----
<explanation>
yue:#背景；下低、後面嘅平面
eng:background; ground
<eg>
yue:白底黑字 (baak6 dai2 hak1 zi6)
eng:black words on a white background
<eg>
yue:一條藍底白點嘅裙 (jat1 tiu4 laam4 dai2 baak6 dim2 ge3 kwan4)
eng:a skirt with white dots on a blue background
----
<explanation>
yue:複製用作後備或者保存嘅版本；#副本（量詞：份／個）
eng:copy
<eg>
yue:你最好留返個底。 (nei5 zeoi3 hou2 lau4 faan1 go3 dai2.)
eng:You'd better keep a copy of the original.
----
<explanation>
yue:#內褲（量詞：條）
eng:lower undergarments; underpants
<eg>
yue:人哋話着紅底會好運啲㗎。 (jan4 dei6 waa6 zoek3 hung4 dai2 wui5 hou2 wan6 di1 gaa3.)
eng:They say wearing red underpants brings good luck.
<eg>
yue:佢踎低嗰陣時#露底 啊。 (keoi5 mau1 dai1 go2 zan6 si2 lou6 dai2 aa3.)
eng:He accidentally revealed his underpants when he squatted.
----
<explanation>
yue:#基礎
eng:grounding; foundation
<eg>
yue:數底 (sou3 dai2)
eng:foundation in math
<eg>
yue:#底薪 (dai2 san1)
eng:basic salary
<eg>
yue:佢英文個底打得好好。 (keoi5 jing1 man2 go3 dai2 daa2 dak1 hou2 hou2.)
eng:She has a good foundation in English.
----
<explanation>
yue:背景資料
eng:background information
<eg>
yue:#底細 (dai2 sai3)
eng:someone's background
<eg>
yue:#起底 (hei2 dai2)
eng:to check up on someone's background
<eg>
yue:班行家仲摸緊呢間新網媒究竟咩底。 (baan1 hong4 gaa1 zung6 mo2 gan2 ni1 gaan1 san1 mong5 mui4 gau3 ging2 me1 dai2.)
eng:Industry insiders are still checking out the background of this new online media.
<eg>
yue:你最好查一查佢個底，我聽講佢以前坐過幾年監。 (nei5 zeoi3 hou2 caa4 jat1 caa4 keoi5 go3 dai2, ngo5 teng1 gong2 keoi5 ji5 cin4 co5 gwo3 gei2 nin4 gaam1.)
eng:You'd better check his background - I heard that he's spent a couple of years in prison.
----
<explanation>
yue:用喺講述某人嘅本質同特徵，例如體質、體型、性格等
eng:someone's properties and characteristics
<eg>
yue:#肥底 (fei4 dai2)
eng:a tendency to accumulate fat
<eg>
yue:#燥底 (cou3 dai2)
eng:bad-tempered
<eg>
yue:#淫底 (jam4 dai2)
eng:concupiscent; libidinous
<eg>
yue:#friend底 (fen1 dai2)
eng:in a friendly relationship; in a companionship
<eg>
yue:乖底嘅人曳極都曳唔出樣。 (gwaai1 dai2 ge3 jan4 jai1 gik6 dou1 jai1 m4 ceot1 joeng2.)
eng:People who are inherently good-hearted have a hard time being unkind.

(pos:量詞)
<explanation>
yue:糕點、雞蛋等嘅量詞，一底大約係一盤
eng:a large container of cakes or eggs
<eg>
yue:一底年糕 (jat1 dai2 nin4 gou1)
eng:a large container of new year cake
<eg>
yue:一底雞蛋仔 (jat1 dai2 gai1 daan6 zai2)
eng:a pack of egg waffles
<eg>
yue:一底雞蛋30隻太多，我通常都係買半底。 (jat1 dai2 gai1 daan2 saam1 sap6 zek3 taai3 do1, ngo5 tung1 soeng4 dou1 hai6 maai5 bun3 dai2.)
eng:A pack of egg contains 30 eggs, which is too much for me. I usually buy only half a pack.

(pos:詞綴)
<explanation>
yue:年份或者月份就完嘅嗰段時間
eng:end of a year or month
<eg>
yue:六月底 (luk6 jyut6 dai2)
eng:the end of June
<eg>
yue:年底 (nin4 dai2)
eng:the end of a year