King's Kung-Fu& Tai Chi

Chinese symbol for “confidentially”

私底下
sī dǐ xia
privately; secretly; confidentially

The closest CC-CEDICT match for confidentially is 私底下 (sī dǐ xia), defined as: privately; secretly; confidentially.

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Characters and stroke order

私 sī
personal, private, secret; selfish
radical 115 ⽲ · 7 strokes
底 dǐ
bottom, underside; below, underneath
radical 53 ⼴ · 8 strokes
下 xia
below, underneath; inferior; to bring down; next
radical 1 ⼀ · 3 strokes

Related words

Other words that share a character with 私底下.

WordPinyinMeaning
私人sī rénprivate; personal
隐私 (隱私)yǐn sīsecrets; private business
走私zǒu sīto smuggle; to have an illicit affair
自私zì sīselfish; selfishness
私下sī xiàin private
私营 (私營)sī yíngprivately-owned; private
到底dào dǐfinally; in the end
彻底 (徹底)chè dǐthorough; thoroughly
一下yī xià(after a verb) a bit; a little (indicating brief duration, or softening the tone, or suggesting giving sth a try); all at once; suddenly

See also: Japanese symbol for “confidentially”.

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3); Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.