sī 司 take charge of

kǒu

mouth

sī-jī
司机

n.

driver

sī-lìng
司令

n.

commander

sī-fǎ
司法

n.

judiciary

sī-yí
司仪

n.

master of ceremonies, MC

sī-wù
司务

n.

officials in charge of miscellaneous affairs

sī-kù
司库

v.

to be responsible for money received and spent

sī-tú
司徒

Situ(a compound Chinese surname)

sī-lú
司炉

n.

stoker; fireman (the worker operating a coal fire, esp. for a steam engine)

sī-mǎ
司马

n.

Sima (a compound Chinese surname); minister (of war in ancient China)

sī-lìng-yuán
司令员

n.

commander

sī-lìng-bù
司令部

n.

headquarters; command; institution in charge of military affair; referring to control center; center of operations

sī-kōng-jiàn-guàn
司空见惯
no small matter

sī-mǎ zhāo zhī xīn, lù-rén jiē zhī
司马昭之心，路人皆知
Sima Zhao’s ill intention is obvious to everybody in the street – the villain’s intention is obvious