How to Say "I don't know" in English
The most natural way to say "I don't know" in English is I don't know. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.
Other ways to say it
When to use it
You can use this phrase when someone asks you a question and you genuinely do not have the answer. It's appropriate in both casual and formal conversations. It's a straightforward way to express uncertainty.
Say it out loud, get corrected
Reading it is not the same as saying it. Practice "I don't know" and thousands more with an AI coach that listens.
Examples in English
| English | English |
|---|---|
| What time does the meeting start? I don't know. | What time does the meeting start? I don't know. |
The fastest way to remember it
Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear I don't know, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking English with a coach that corrects your pronunciation in real time. You can start with two free conversations.
Frequently asked questions
Is it rude to say 'I don't know'?
No, it's a polite way to express that you lack information.
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