draw the line at

Idioms  

1. 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]

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Example Sentences

A 10% decline should be easy to handle, but some investors draw the line at 5%.

From Barron's

"Although I do draw the line at certain Christmas songs being played too early, I think they should be banned."

From BBC

“I have to draw the line at some point,” Brenner said.

From The Wall Street Journal

But even a cynic might think that it would, for now, draw the line at the FTC.

From Slate

But they draw the line at potentially harmful skin care intended to slow the aging process in adults, and worry “skinfluencers” are pushing children to splurge on expensive products they don’t need.

From Los Angeles Times