n.

an argument in which the participants are trying to gain some advantage

making the motions of attack and defense with the fists and arms; a part of training for a boxer

同義詞：spar

SPARring with Spines
Neuroscience. SPARring with spines
Sparring and Cognitive Function in Professional Boxers
Non-lethal gamecock sparring match, equipment & methods
Verbal Sparring and Apologetic Points: Politeness in Gendered Argumentation Contexts
From sparring partners to bedfellows: joint approaches to environmental policy‐making
More Tame Than Maim Sparring Lovers Know Where to Drawl the Line in Fun, Wild West Version of 'Shrew'
Physiological responses of simulated karate sparring matches in young men and boys.
Cholesterol-free and cholesterol-bound Hedgehog: Two sparring-partners working hand in hand in the Drosophila wing disc?
Physiological and Biochemical Monitoring Means and Methods for the Chinese Free Sparring Team before the 13~(th) Asian Games