郑人争年

1. • Men of Zheng fighting over their respective ages (idiom)
2. • a futile quarrel

Character by character

• 郑(zhèng)Zheng, a Zhou-dynasty state in the vicinity of present-day Xinzheng 新郑 xīnzhèng, a county-level city in Henan
• 人(rén)person
• 争(zhēng)strive for
• 年(nián)surname Nian