How to Say ‘I didn't know’ in Traditional Chinese
我不知道
wǒ bù zhī dào
[wo boo jir-dao]
💬 Usage Tip: 不 stays (bù) before 知 because 知 is not a falling tone. Chinese has no past-tense form, so the same words cover both "I don't know" and "I didn't know".
Phrase Breakdown
我
wǒ
[wo]
I; me
The first-person pronoun used to talk about yourself.
我想多了解你們公司的制度，所以先自我介紹。
I want to learn more about your company’s system, so I’ll introduce myself first.
不
bù
[boo]
not
Negates the phrase and helps build the teasing idea of 'probably not the first time.'
你這套話術，不是第一次用了吧？
This line of yours isn't the first time you've used it, right?
知道
zhī dào
[jir-dao]
know; understand
Used when you know information or understand a situation.
我知道取消要提前通知。
I know that cancellation requires advance notice.
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered feedback on what you say out loud
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Lessons for Your Situation
Request lessons tailored to your specific needs
Get Full LessonWhat Learners Are Saying
“Spent three months in Taiwan and this app was my lifeline. The tonal practice with real situations helped me sound less like a textbook and more like a person.”
Laura H., 28, Photographer
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager
“Learning a language has never been as immediately impactful. Now I can charm the locals and navigate the food scene like a boss.”
Alex M., 42, Software Engineer