Английский словарь американских идиом - draw a line

or draw the line {v. phr.} 1. To think of as different. * /The law in this country draws a line between murder and manslaughter./ * /Can you draw the line between a lie and a fib?/ 2. To set a limit to what will be done; say something cannot be done. * /We would like to invite everybody to our party, but we have to draw a line somewhere./ - Often used with "at". * /Mrs. Jones draws the line at permitting the children to play in their father's den./ * /People fighting for their freedom often do not draw the line at murder./