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 classic literature ?
He was quite sure that even Dango would draw the line at such filthy tasting drink as that, and his contempt for man increased with the conviction.
I rather draw the line at encouraging that sort of immorality.
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.
We do, however, draw the line at professional wrestling and brown-nosing foreign dictators," Murdoch said.
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.
Congress must draw the line at current programs that already provide ethanol with extremely generous subsidies.
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.
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