開hoi1場coeng4白baak6

English

1. prologue of play
2. opening remarks
3. preamble (of speeches, articles etc)
4. opening remarks; prologue of a playunreviewed?

粵語 — Cantonese

1. 用嚟引入正題嘅一啲內容（量詞：句/段）unreviewed?

Examples

• unreviewed?

  佢講嘅開場白仲長過正題。

  His opening remarks are even longer than the main part of his speech!