借ze3題tai4發faat3揮fai1

English

1. to use the current topic to put over one's own ideas
2. to use sth as a pretext to make a fuss
3. to seize on an incident or discussion topic to express one's own views, usually in some kind of off-topic rant; literally "to borrow a topic to display (something else)"unreviewed?

粵語 — Cantonese

1. 利用某個事件或題目去講一啲自己想講嘅嘢，通常係偏離原本嘅題目，主要講述自己嘅不滿unreviewed?

Examples

• unreviewed?

  阿松一聽到人提起考試就借題發揮，喺度大講自己上次考第一嘅事。

  Upon hearing someone mention exam, A-chung seized the opportunity, and started to talk about how he aced the last exam.