事si6先sin1

English

1. in advance
2. (adverb) Ahead
3. in advance; beforehand; prior
4. before the event
5. beforehand
6. prior

粵語 — Cantonese

1. 喺發生某件事、做某個動作之前

Examples

• 事先聲明

  to declare in advance

• 佢事先通知咗大會佢會嚟。

  He notified the organization of his arrival in advance.

• 唔該你事先講定個計劃俾我知吖。

  Please let me know the schedule beforehand.

  Tatoeba · nickyeow CC BY

• 今次，我哋未事先決定時間表，所以可能有啲人做唔到，但我哋想盡量多啲人參加。

  Tatoeba CC BY

• 條陣列好多時都會係事先排好咗嘅，即係例如事先做咗「將條陣列裝住嗰啲數由細至大排」嘅工作。

  Tatoeba CC BY

• 又有做法會事先將數據庫入面每個數據嘅數值減以相應嘅平均值，噉 cov(X,Y) 就會簡化變成 E [XY]。

  Tatoeba · Matthewyau1367 CC BY

• 想像家陣有一部曉跟事先指定咗嘅規則嚟由輸入計輸出嘅機械，呢部機械嘅記憶體係無限咁多嘅－即係一部理想化嘅圖靈機。

  Tatoeba · Matthewyau1367 CC BY

• 你必須事先預約。

  You have to make a reservation.

  Tatoeba · Martha CC BY