to know
The French verb 'savoir' translates to 'to know' in English. It is used in many of the same ways as in English, but 'savoir' is particularly used when referring to knowing a fact, knowing how to do something, or knowing about a situation. Remember that 'savoir' also changes forms depending on the subject and the tense.
I need to know how to do this.
This phrase uses 'savoir', which means 'to know', expressing the need to gain knowledge about how to perform an action or accomplish a task.
You can know if you try.
In this example, 'savoir' is used to denote the possibility of gaining knowledge or understanding about something if an effort is made.