take a hard line
1. To have or assume a very strict, inflexible, and unequivocal view or position (on or about something). I wouldn't come in late, if I were you—I hear the boss takes a hard line on the attendance policy. The film takes a hard line about the role of the government in this issue.
2. To deal (with someone) in a very strict or stringent manner. You've got to start taking a hard line with your kids, or they're going to walk all over you for the rest of your life. The principal takes a very hard line with students who vandalize school property.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.