(pos:名詞)
<explanation>
yue:以前；舊時；喺一段時間之前；通常為咗突顯依家同以前嘅分別
eng:in the old days; in the past; usually used to contrast the past and the present
<eg>
yue:嗰間屋昔日係一個火車站。 (go2 gaan1 uk1 sik1 jat6 hai6 jat1 go3 fo2 ce1 zaam6.)
eng:That house used to be a railway station.
<eg>
yue:昔日呢班細路仔，今日已經長大成人。 (sik1 jat6 ni1 baan1 sai3 lou6 zai2, gam1 jat6 ji5 ging1 zoeng2 daai6 sing4 jan4.)
eng:These children of the past have all grown into adults today.