litmus test 試金石

litmus test
繁：試金石
简：试金石

張達明今日在港台節目上表示，國歌法的本地立法可能是「試金石」，可檢視一國兩制有否走樣。

張達明指是一國兩制試金石 稱規定肅立行不通（2017年11月6日），明報，取自https://news.mingpao.com/ins/instantnews/web_tc/article/20171106/s00001/1509933735712

“Of course, it can also be a litmus test – a litmus test for whether One Country, Two Systems has changed. If, 20 years later, the rules of the game are different, and – even though you’re in Hong Kong – you’d have to follow the ideology and expressions of socialism in mainland China – that would be quite scary.”

Any law requiring Hongkongers to stand for national anthem would be ‘unrealistic’ and ‘impractical’ – legal experts. (2017, November 6). Hong Kong Free Press. Retrieved from https://www.hongkongfp.com/2017/11/06/law-requiring-hongkongers-stand-national-anthem-unrealistic-impractical-legal-experts/