English
[a] private; secret [b] Kangxi radical number 28

Mandarin (hanyu pinyin)
sī

Cantonese (jyutping)
si¹ mau⁵

Hakka (phonetic)
[Kwangtung] sii¹ [Hailu] sii¹ meu¹ [Siyan] sii¹ meu¹ [Bao'an] su¹ [Meixian] se¹

Japanese
shi bou mu

Korean
sa