Hanzi
CharactersIdiomsChinese ZodiacChinese Name
Tools
  • Chinese Word CounterCount characters, words and sentences in Chinese text
  • Pinyin GeneratorConvert Chinese text to pinyin with tone marks
  • Chinese Text Image GeneratorCreate PNGs with pinyin, highlight character parts or remove strokes
  • Chinese Text to SpeechRead Chinese aloud with karaoke highlighting
  • Stroke Order AnimatorTurn a Chinese character or sentence into a GIF or MP4
  • Chinese Text Morph AnimatorTurn one Chinese character, word or phrase into another; download SVG, MP4 or WebM
  • Writing WorksheetsPrintable tracing sheets with a QR learning companion
View all tools →
Blogs
不知所以
不知所以
不知所以
不知所以
不知所以
不知所以
不知所以
不知所以
不知所以
不知所以

不知所以 — “To be at a loss as to the reason why”

不知所以 is a Chinese idiom (chengyu) meaning “to be at a loss as to the reason why”. Not know why something is happening or has happened. Literally, “Not know the reason why”.

Frequency

不知所以 Pronunciation and Pinyin

  • 不bù
  • 知zhī
  • 所suǒ
  • 以yǐ

不知所以 Character Breakdown

CharacterPinyinStrokesMeaning
不
bù4not
知
zhī8to know, be aware, understand
所
suǒ8place or that which
以
yǐ5by means of

Example Sentence with 不知所以

小明突然做出这样的决定,让所有的人都感到不知所以。
Xiao Ming's sudden decision left everyone at a loss as to the reason why.

Idioms Related to 不知所以

Synonyms of 不知所以

  • yī一wú无suǒ所zhī知know nothing at all
  • bù不zhī知jiù就lǐ里unaware of the true situation
  • máng茫rán然bù不jiě解utterly bewildered and unable to comprehend

Antonyms of 不知所以

  • yī一mù目liǎo了rán然clear at a glance
  • liǎo了rú如zhǐ指zhǎng掌know something like the back of one's hand
  • míng明chá察qiū秋háo毫perceive the minutest details

More idioms starting with 不

  • bù不yī一ér而zú足numerous and varied, impossible to list all
  • bù不sān三bù不sì四improper or disreputable
  • bù不shàng上bù不xià下stuck in an awkward position
  • bù不shàng上bù不luò落in an awkward or embarrassing situation
  • bù不shì世zhī之yè业unparalleled achievements
  • bù不shì世zhī之chóu仇unrivaled enmity
  • bù不shì世zhī之gōng功unparalleled achievement
  • bù不shì世zhī之lüè略unparalleled strategy
  • bù不sàng丧bǐ匕chàng鬯peace and order, rituals undisturbed
  • bù不fēng丰bù不jiǎn俭neither extravagant nor frugal
  • bù不fēng丰bù不shā杀neither extravagant nor frugal
  • bù不wèi为wǔ五dǒu斗mǐ米zhé折yāo腰Refuse to compromise integrity for meager gain

Questions about 不知所以

What does 不知所以 mean?
不知所以 (bù zhī suǒ yǐ) is a Chinese idiom (chengyu) meaning “to be at a loss as to the reason why”.
How do you pronounce 不知所以?
不知所以 is pronounced bù zhī suǒ yǐ in Mandarin Chinese.
What does 不知所以 literally mean?
Literally, 不知所以 means “not know the reason why”. It is used to mean “to be at a loss as to the reason why”.
What is the Chinese definition of 不知所以?
以:原因。不明白为什么是这样。指不知道原因。
Copy the pinyin for 不知所以 →Choose tone marks or tone numbers and copy the complete four-character reading.Read Chinese vocabulary and idiom guides →Continue with words, phrases, and idioms explained through natural examples.

© 2026 hanzi.now

Contact Us