walk the line

== English == === Pronunciation === === Verb === walk the line (third-person singular simple present walks the line, present participle walking the line, simple past and past participle walked the line) (idiomatic) To maintain an intermediate position between contrasting choices, opinions, etc. (idiomatic) To act in a non-destructive or damaging manner, whether physically or mentally to those you hold dear and/or respect; to exercise self-control. To mark or secure a boundary by walking along it. (idiomatic, US, education) To participate in the procession at a graduation ceremony; to graduate. ==== See also ==== toe the line straight and narrow