此消彼长

Traditional (Taiwan): 此消彼長

cǐxiāobǐzhǎng ㄘˇ ㄒㄧㄠ ㄅㄧˇ ㄓㄤˇ

    • one declines while the other flourishes one loses out when the other one gains (as in a trade-off or a zero-sum game)

      idiom

Character by character

Sources