(pos:名詞)(ant:樓上)
<explanation>
yue:下面嘅樓層
eng:downstairs
<eg>
yue:樓下成日都好嘈。 (lau4 haa6 seng4 jat6 dou1 hou2 cou4.)
eng:It is often noisy downstairs.
----
<explanation>
yue:建築物底層同附近平地
eng:the ground floor of a building and the nearby area
<eg>
yue:你做完功課就可以去樓下大堂玩嘞。 (nei5 zou6 jyun4 gung1 fo3 zau6 ho2 ji5 heoi3 lau4 haa6 daai6 tong4 waan2 laak3.)
eng:You can go down to the lobby and play after finishing your homework.
<eg>
yue:樓下條路夜晚成日有人飛車。 (lau4 haa6 tiu4 lou6 je6 maan5 sing4 jat6 jau5 jan4 fei1 ce1.)
eng:There are often cars zooming past at night on the road just down there.

(pos:詞綴)(ant:樓上)
<explanation>
yue:喺表示數量嘅短語後面，表示#少 於、#細 過、#低 過某個數值
eng:used after numerals (and quantifiers) to mean "below / less than / lower than a certain numerical value"
<eg>
yue:三萬蚊樓下 (saam1 maan6 man1 lau4 haa6)
eng:less than thirty thousand dollars
<eg>
yue:百分之五樓下 (baak3 fan6 zi1 ng5 lau4 haa6)
eng:below 5%
<eg>
yue:一千點樓下 (jat1 cin1 dim2 lau4 haa6)
eng:lower than 1000 points