King's Kung-Fu& Tai Chi

Chinese symbol for “dubious”

不三不四
bù sān bù sì
(idiom) dubious; shady; neither one thing nor the other; neither fish nor fowl; nondescript

The closest CC-CEDICT match for dubious is 不三不四 (bù sān bù sì), defined as: (idiom) dubious; shady; neither one thing nor the other; neither fish nor fowl; nondescript.

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

不 bù
no, not, un-; negative prefix
radical 1 ⼀ · 4 strokes
三 sān
three
radical 1 ⼀ · 3 strokes
不
不 bù
no, not, un-; negative prefix
radical 1 ⼀ · 4 strokes
四 sì
four
radical 31 ⼞ · 5 strokes

Other Chinese words for “dubious”

WordPinyinMeaning
不明不白bù míng bù bái(idiom) obscure; dubious; shady
可疑kě yísuspicious; dubious
暧昧 (曖昧)ài mèivague; ambiguous
暧 (曖)ài(of daylight) dim; obscure

Related words

Other words that share a character with 不三不四.

WordPinyinMeaning
不是bù shìno; is not
不能bù néngcannot; must not
不会 (不會)bù huìimprobable; unlikely
不过 (不過)bù guòonly; merely
不同bù tóngdifferent; distinct
三星sān xīngthree major stars of the Three Stars 参宿 (Shēn xiù) Chinese constellation; the belt of Orion
三次sān cìthird; three times
三级 (三級)sān jígrade 3; third class
四大sì dàthe four elements: earth, water, fire, and wind (Buddhism); the four freedoms: speaking out freely, airing views fully, holding great debate

See also: Japanese symbol for “dubious”.

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.

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