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.
11th January 2024

You should know

We use this expression to say that we think someone logically should have the information needed in a specific situation.
Usage
Written: 
No
Spoken: 
Yes
Formal: 
No
Informal: 
Yes
Example 1
How do you say 'be quiet' in Spanish?
You should know - you lived in Spain for 6 months.
Example 2
What time did the party finish last night?
You should know - you were the last person to leave!

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