此
消
彼
长

Word Definition - 此消彼长

cǐ xiāo bǐ zhǎng (idiom) one declines while the other flourishes; one loses out when the other one gains (as in a trade-off or a zero-sum game)

Individual Character Details

此 cǐ
消 xiāo
彼 bǐ
长 cháng, zhǎng