Origin of Phrases - S
Straight as an arrow
Meaning: To stay out of trouble.
Example: Ever since I got speeding ticket number six I have been flying as straight as an arrow.
Origin: This phrase is a mispronunciation of the phrase "straight and narrow", which is a biblical reference to the path to heaven.
Alternatively, Refers to the apparent flight of an arrow, straight. In fact arrows appear to fly straight only when observed over short distances. They actually travel an arced path.