know one's own mind, to
know one's own mind
Be certain about what one wants; be decisive. For example, Don't ask him; he's so tired that he doesn't know his own mind, or She certainly knows her own mind when it comes to giving stage directions. This term was first recorded in 1824.
See also: know, mind, own
The American Heritage® Dictionary of Idioms by Christine Ammer.
know one's own mind, to
To be certain of one’s opinions or plans; to be self-assured. This term has been known since about 1700. Jonathan Swift included it in Polite Conversation (1738), “You don’t know your own mind,” an accusation still often voiced in just this way.
See also: know, own
The Dictionary of Clichés by Christine Ammer
- (the) odds are (that)
- odds are, the
- each to his/her/their own
- noggin
- cut (one's) own throat
- cut one’s own throat
- cut your own throat
- beat (one) at (one's) own game
- beat someone at his or her own game
- beat someone at their own game