(idiomatic) Someone who denies to others something that he or she cannot use.

(idiomatic) A brief piece of advice.

(idiomatic) Used to emphasis following as a piece of significant advice.

(baseball) To hit a fair ball so well that the ball flies over all of the spectators' seats and lands outside the stadium. / (idiomatic, by extension) To produce a spectacular achievement.

(idiomatic) To outsource (jobs) to the People's Republic of China. / (idiomatic) To buy or sell products labeled as "Made in China."

(idiomatic, of a host, hostess, or guest) To interact enthusiastically with the attendees at an event, by moving among them, greeting them, and engaging them in conversation.

(idiomatic) To work the room, especially out-of-doors.

(idiomatic) To make a person very angry or frustrated; to infuriate.

To draw a wagon train into a circle to allow the wagons to provide cover when under attack. / (idiomatic) To prepare to defend against an attack or criticism.

(slang) To be dismissed from employment.