(pos:量詞)(sim:秒鐘)
<explanation>
yue:國際單位制中#時間 嘅基本單位；六十秒等於一#分鐘
eng:second; the S.I. base unit of time
<eg>
yue:比賽仲有三十秒就結束，大家把握時間做最後衝刺！ (bei2 coi3 zung6 jau5 saam1 sap6 miu5 zau6 git3 cuk1, daai6 gaa1 baa2 aak1 si4 gaan3 zou6 zeoi3 hau6 cung1 ci3!)
eng:There're only 30 seconds till the competition ends! Hurry!
<eg>
yue:而家嘅標準時間係零時二十分二十秒。 (ji4 gaa1 ge3 biu1 zeon2 si4 gaan3 hai6 ling4 si4 ji6 sap6 fan1 ji6 sap6 miu5.)
eng:The official time is now 12:20 a.m. and 20 seconds.
----
yue:#角秒 嘅簡稱；角度單位，等於一#角分 嘅60分之一，亦即係一度角嘅3600分之一、一個圓嘅1296000分之一
eng:second of arc; arcsecond

(pos:副詞)(sim:即)(sim:瞬間)
<explanation>
yue:非常快噉；一秒之內
eng:immediately; swiftly; in no time; within a second
<eg>
yue:#秒回 (miu5 wui4)
eng:to swiftly reply
<eg>
yue:秒答 (miu5 daap3)
eng:to immediately answer
<eg>
yue:#秒殺 (miu5 saat3)
eng:to finish off in no time
<eg>
yue:秒清 (miu5 cing1)
eng:to clear immediately

(pos:動詞)(label:潮語)(sim:秒殺)
<explanation>
yue:喺瞬間擊敗敵人，實力差距好大
eng:to defeat your enemy or opponent in no time
<eg>
yue:隻波士好勁囉，畀佢一嘢秒咗。 (zek3 bo1 si2 hou2 ging6 lo1, bei2 keoi5 jat1 je5 miu5 zo2.)
eng:The boss is ridiculously powerful. It totally destroyed me.
----
<explanation>
yue:迅速完成咗一件工作
eng:to finish something in no time
<eg>
yue:本書都係講緊上堂教過嘅嘢，佢都已經熟晒，所以話咁快就秒咗。 (bun2 syu1 dou1 hai6 gong2 gan2 soeng5 tong4 gaau3 gwo3 ge3 je5, keoi5 dou1 ji5 ging1 suk6 saai3, so2 ji5 waa6 gam3 faai3 zau6 miu5 zo2.)
eng:The book is about the stuff taught in class. He's already familiar with it, so he finished the book in no time.