Senses
叫劲/ 叫勁 to compete
to match wits with others; to pit oneself against someone in a contest or challenge
叫劲/ 叫勁 to exert effort
to put forth extra strength or effort; to require a great deal of effort at a critical moment
叫劲/ 叫勁 to oppose
to be stubborn or pick a quarrel; to contradict or dispute with someone
叫劲/ 叫勁 to become intense
(of a situation or task) to become more difficult or reach a critical stage requiring extra effort