(pos:名詞)
<explanation>
yue:#案底；刑事罪案紀錄
eng:criminal record
<eg>
yue:你有黑底係難揾工啲嘅。 (nei5 jau5 hak1 dai2 hai6 naan4 wan2 gung1 di1 ge3.)
eng:It is harder to find a job with a criminal record.
----
<explanation>
yue:#黑社會#背景
eng:close connection with the underworld
<eg>
yue:佢有黑底㗎，唔好隨便惹佢，小心佢揾人打你！ (keoi5 jau5 hak1 dai2 gaa3, m4 hou2 ceoi4 pin2 je5 keoi5, siu2 sam1 keoi5 wan2 jan4 daa2 nei5!)
eng:He's a triad member. So don't ever offend him. He might send someone to beat you up!
----
<explanation>
yue:形容嘅背景係黑色嘅設計
eng:black as the background colour
<eg>
yue:黑底白字 (hak1 dai1 baak6 zi6)
eng:white text on black background
----
<explanation>
yue:黑色嘅#底褲（量詞：條）
eng:black underpants
<eg>
yue:黑底真係好性感。 (hak1 dai2 zan1 hai6 hou2 sing3 gam2.)
eng:Black underpants turn me on.
