a thin line
a thin line
A very narrow division between two alternatives, one of which is much worse than the other. As a new parent, you learn that there's a thin line between looking out for your child's welfare and being overprotective.
See also: line, thin
Farlex Dictionary of Idioms.
- a fine line
- a fine line between something
- an arrow in the quiver
- arrow in the quiver
- quiver
- straight and narrow, (walk) the
- straight and narrow, the
- the straight and narrow
- take a middle course
- follow/steer/take a middle course