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(Not) as far as I know

Phrase of the day

Discover a new phrase each day to use in your English! These are special phrases and sayings that English speakers use all the time, but you don't often see these phrases in English course books or other study material. Visit daily to learn some popular English phrases on a regular basis.

6 January 2026

(Not) as far as I know

We use this expression to say that we think we know something, but we are not completely sure.

Written: Yes

Spoken: Yes

Formal: Yes

Informal: Yes

Example 1

Have we got a test tomorrow?

Not as far as I know. I think it's next week.

Example 2

When are we meeting up to go to the theatre? Is it 7.30?

Yes, as far as I know - but I'd check if I were you. Just in case.

Right.

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Oct2025
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