raw
The French word 'cru' is used to describe food that is uncooked or not processed. It can be used to describe a variety of foods, including meats, vegetables, and fruits. For example, 'steak cru' would refer to a raw steak, while 'fruits cru' would refer to raw fruits. The word is also used in the context of wine, where 'vin cru' refers to a wine that is made from grapes that have not been processed or aged.
I thought you were coming today.
The verb 'cru' is derived from the verb 'croire', which means 'to believe' or 'to think'. In the past tense, 'cru' roughly translates to 'thought'. This phrase suggests the speaker believed the person they are addressing was coming today.
He thought it was a joke.
In this sentence, 'Il a cru à' translates to 'he believed in' or 'he thought of'. The speaker is stating that a certain individual thought something (in this case, 'une blague' which translates to 'a joke') was not serious.
We thought we heard a noise.
'Nous avons cru entendre' means 'we thought we heard'. The speaker and possibly other people assumed they heard a sound ('un bruit').