draw a line

blur the line

To minimize or erode the distinction between two things.

bottom line

The summary or result; the most important information.

bottom of the line

The worst or lowest quality on the market, especially among a range of products.

bright line

A clear distinction in the context of a legal, moral, ethical, or analytical judgment.

cross the line

To overstep a boundary, rule, or limit; to go too far or do something unacceptable.

draw a blank

To be unable to recall a required piece of information.

draw a long bow

To lie; to exaggerate.

draw a straight furrow

To live correctly or ethically, without deviating from the right line of duty.