一ㄧyī較ㄐㄧㄠˋjiào高ㄍㄠgāo下ㄒㄧㄚˋxià

  1. 和人較量程度的高低。如：「他們約定星期天在籃球場一較高下，看誰的球技好。」

英to compete against, to measure oneself against, to go head to head (see who is best)​