How do you pronounce 四書?

Q: How do you pronounce 四書? A: sei3 syu1, e.g.

四書 (sei3 syu1) — meaning, pronunciation, examples

四書 (sei3 syu1, Sì shū) — Four Books, namely: the Great Learning 大學|大学, the Doctrine of the Mean 中庸, the Analects of Confucius 論語|论语, and Mencius 孟子

四不像 (sei3 bat1 zoeng6) — Elaphurus davidianus
四九仔 (sei3 gau2 zai2) — 49er, which means an ordinary member in Triad
四五行動 (sei3 ng5 hang4 dung6) — April 5th Action, a socialist political organisation in Hong Kong
四仔 (sei3 zai2) — adult's videos; pornography
四便 (sei3 bin6) — surrounding
四個字 (sei3 go3 zi6) — four words or characters; twenty minutes