How do you pronounce 五四?

Q: How do you pronounce 五四? A: ng5 sei3, e.g.

五四 (ng5 sei3) — meaning, pronunciation, examples

五四 (ng5 sei3, wǔ sì) — fourth of May, cf 五四運動|五四运动, national renewal movement that started with 4th May 1919 protest against the Treaty of Versailles

五一勞動節 (ng5 jat1 lou4 dung6 zit3) — May 1st Labour Day
五五波 (ng5 ng5 bo1) — a fifty-fifty situation; a fifty-fifty chance (often used to describe an evenly…
五個字 (ng5 go3 zi6) — five characters or words; twenty-five minutes
五內 (ng5 noi6) — five viscera (consist of heart, liver, spleen, lungs and kidneys)
五十五 (ng5 sap6 ng5) — fifty-five
五千 (ng5 cin1) — five thousand