one's own worst enemy

*one's own worst enemy

Fig. consistently causing oneself to fail; more harmful to oneself than other people are. (*Typically: be ~; become ~.) Ellen: My boss is my enemy. She never says anything good about me. Jane: Ellen, you're your own worst enemy. If you did your job responsibly, your boss would be nicer.

Common Names:

Name	Pronounced	Usage
Harlan	HAHR-lən	English
Imen	-	Arabic
Grosvenor	GROV-ə-nər, GROV-nər	English (Rare)
Tancredi	-	Italian
Laetitia	-	Late Roman, French
Fons	FAWNS	Dutch