沙saa1紙zi2

English

1. (noun) sand paper; a degree
2. certificate or diploma (of a course of study or an exam); figuratively, education background
3. sandpaper
4. graduation certificate; a university diploma; an accreditation certificate

粵語 — Cantonese

1. 文憑、證書；借指教育程度、學歷；源自「證書」嘅英文 certificate 嘅第一個音節（量詞：張）
2. 黐咗啲砂狀嘅打磨顆粒喺上面，用嚟打磨物件嘅紙（量詞：張）

Examples

• 攞張砂紙磨一磨佢吖。

  Use a sandpaper to polish it a bit.

• 讀咁多書都係為張沙紙啫。

  We have been studying so hard and that is all for the sake of a certificate.