To make a great effort; to take extraordinary care; to go to great lengths.
Used other than figuratively or idiomatically: see bend over, backwards.
To take upon oneself; to start, to embark on (a specific task etc.).
To commit oneself (to an obligation, activity etc.).
To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic.
The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic.