Line

bottom line

Meaning: the most important factor to take into account of something

Example: When the profit comes down, the bottom line is that this investment isn't worth the risk. Read more ➺

drop a line

Meaning: send a brief letter.

Example: If you've got a few minutes to spare, you could always drop her a line. Read more ➺

cross the line

Meaning: behave in a way that is not acceptable

Example: This newspaper has crossed the line. This article is so offensive to so many people. Read more ➺

outside the lines

Meaning: not sticking to the rules

Example: I never thought they would be allowed to do their duties outside the lines. Read more ➺

line in the sand

Meaning: a boundary beyond which one cannot proceed without consequences

Example: His resolve to either get a paid internship or drop out of school was his line in the sand. Read more ➺