How do you pronounce 四庫?

Q: How do you pronounce 四庫? A: sei3 fu3, e.g.

四庫 (sei3 fu3) — meaning, pronunciation, examples

四庫 (sei3 fu3, sì kù) — the four book depositories, namely: classics 經|经, history 史, philosophy 子[zi3], belles-lettres 集

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