His hoisted by one's own petard plan collapsed when the incriminating letters were leaked.

To chase one's own tail is to engage in a futile, repetitive activity that produces no real progress.

It's shameful when public servants feather one's own nest instead of serving the people.

To march to one's own drum is often admired in artists who refuse to follow mainstream styles.

In our company, employees who march to one's own drummer often bring fresh perspectives that challenge the status quo.

Although many chased fame and fortune, she quietly proved that Virtue is her own reward by helping neighbors without expecting anything in return.

It's easier to stew in one's own gravy than to admit you're wrong.

When the rival started using underhanded tactics, Maria decided to play someone at their own game by hiring a private investigator to expose their lies.

At the flea market I found a battered choose-your-own-adventure paperback that instantly took me back to childhood.

It's important to know one's own head before making a big decision.