To sidestep a difficulty.
They sidestepped the issue.
An example of sidestep is when there is a pot hole in the street and you drive around it.
When your friend asks if you like her new boyfriend and you comment that if she's happy, you're happy (instead of actual answering the question), this is an example of how to sidestep of the question.
Sidestepped to make way for the runner.
Sidestep a difficult question.