sit · verb I /sɪt/
sit (BODY POSITION)
A1 to be in a position with the weight of your body on your bottom and the top part of your body up, for example, on a chair
Dictionary examples:
Emma was sitting on a stool.
The children sat at the table by the window.
We sat by the river and had a picnic.
Learner example:
[It] is so bor[ing], bec[a]use we just sit and listen to [the] teachers. (Skills for Life (Entry 1); A1; Slovak)
sit (MOVE BODY)
A2 to move your body into a sitting position after you have been standing
Dictionary examples:
She came over and sat beside me.
She sat down on the grass.
Learner example:
After one or two hours dancing, I had to sit down and drink. (Preliminary English Test; B1; German)
sit sb down/at/in, etc.
C2 to make someone sit somewhere
Dictionary examples:
She sat me down and told me the bad news.
I thought we'd sit the children at the end of the table.
Learner example:
I wasn't prepared at all when my parents sat me down to tell me that my mother had been diagnosed with cancer, more specifically, a brain tumor. (Certificate of Proficiency in English; C2; Danish)