- 四十八 sìshíbā forty-eightthe cardinal number forty-eight
- 第四十一 dìsìshíyī forty-firstthe ordinal number forty-first
- 四十二章经 Sìshí'èr Zhāngjīng Forty-two Sections SutraThe Sutra in Forty-two Sections Spoken by the Buddha, the first Chinese Buddhist text, translated in 67 AD by Kasyapa-Matanga and Gobharana (Dharmaraksha).