VERB
使相形见绌；抢…的风头
If someone upstages you, they draw attention away from you by being more attractive or interesting.
例句
He had a younger brother who always publicly upstaged him...
他有一个弟弟，总是公然抢他的风头。
He upstages her by flirting with other women.
他与其他女人调情，故意怠慢她。