(w)

(sī) personal; private; selfish

私下 (w)

(sīxià) in private

私了 (w)

(sīliǎo) to settle privately; to solve behind closed doors; to settle out of court

私事 (w)

(sīshì) personal matters

私人 (w)

(sīrén) private; personal; interpersonal; sb with whom one has a close personal relationship; a member of one's clique

私人钥匙 (w)

(sīrényàoshi) private key (in encryption)

私仇 (w)

(sīchóu) personal grudge

私企 (w)

(sīqǐ) private enterprise; abbr. of 私營企業|私营企业[si1 ying2 qi3 ye4]

私偏 (w)

(sīpiān) selfish preference

私利 (w)

(sīlì) personal gain; (one's own) selfish interest

私募 (w)

(sīmù) private placement (investing)

私募基金 (w)

(sīmùjījīn) private equity fund; fund offered to private placement (e.g. hedge fund)

私吞 (w)

(sītūn) to misappropriate (public funds etc); to embezzle

私囊 (w)

(sīnáng) one's own pocket

私塾 (w)

(sīshú) private school (in former times)

私奔 (w)

(sībēn) to elope

私家 (w)

(sījiā) private; privately owned or managed

私家车 (w)

(sījiāchē) private car

私密 (w)

(sīmì) private; secret; intimate

私底下 (w)

(sīdǐxia) privately; secretly; confidentially

私心 (w)

(sīxīn) selfishness; selfish motives

私情 (w)

(sīqíng) private passion; love affair; relationship

私愤 (w)

(sīfèn) personal spite; malice

私房 (w)

(sīfáng) private house

私房钱 (w)

(sīfángqián) secret purse; secret stash of money

私有 (w)

(sīyǒu) private; privately-owned

私有制 (w)

(sīyǒuzhì) private ownership of property

私有化 (w)

(sīyǒuhuà) privatization; to privatize

私有财产 (w)

(sīyǒucáichǎn) private good

私欲 (w)

(sīyù) selfish desire

私法 (w)

(sīfǎ) private law

私营 (w)

(sīyíng) privately-owned; private

私营企业 (w)

(sīyíngqǐyè) private business; opposite: state-owned enterprise 國有企業|国有企业[guo2 you3 qi3 ye4]

私生子 (w)

(sīshēngzǐ) illegitimate child (male); bastard; love child

私生子女 (w)

(sīshēngzǐnǚ) illegitimate child; bastard; love child

私秘 (w)

(sīmì) see 私密[si1 mi4]

私立 (w)

(sīlì) private (company, school etc)

私立学校 (w)

(sīlìxuéxiào) private school

私自 (w)

(sīzì) private; personal; secretly; without explicit approval

私藏 (w)

(sīcáng) secret store; a stash (of contraband)

私处 (w)

(sīchù) private parts; genitalia

私行 (w)

(sīxíng) to travel on private business; to act without official approval; to inspect incognito; to act in one's own interest

私语 (w)

(sīyǔ) murmur

私谋叛国 (w)

(sīmóupànguó) to secretly plan treason (idiom)

私办 (w)

(sībàn) privately-run; private enterprise