draw the line at

draw the line at (something)

To refuse or decline to do something or take further action. I'm not opposed to cleaning our apartment, but washing your dirty dishes is where I draw the line.
See also: draw, line

draw the line at

Refuse to go any further than, as in I draw the line at giving them more money. This expression alludes to a line drawn at a stopping point of some kind. [Late 1700s]
See also: draw, line

draw the (or a) line at

set a limit of what you are willing to do or accept, beyond which you will not go.
1995 Kate Atkinson Behind the Scenes at the Museum She even manages to persuade Gillian not to cheat…although Gillian draws the line at not screaming when she loses.
See also: draw, line
References in periodicals archive ?
However, I draw the line at promoting a celebrity who deems homosexuality a sin.
OK, I draw the line at Big Brother--and I'm ashamed of my sneaking weakness for I'm a Celebrity, get me out of here
Tony Blair: "You draw the line at anything that's improper and you have to have a system of accountability.
I simply draw the line at speaking Spanish in a business that is on U.
But I draw the line at the sort of stuff I heard during the Falkirk game.
However, we must draw the line at sanctifying, honoring and legalizing.
But we draw the line at banning off-duty police from local lounges.
Ahmanson is arguing that while Washington Mutual's charter allows it to expand savings and loans acquired with government assistance, the OTS should draw the line at the thrift absorbing another thrift twice its size.
Government officials say that converting them to hotels, restaurants or private homes is perfectly fine, though they would probably draw the line at turning them into giant video-game parlors.