to philander
01
浮気する, 不倫をする
(of a man) to have casual sexual affairs with multiple women
例
He was known to philander throughout his marriage, causing constant tension between him and his wife.
彼は結婚生活中ずっと浮気をしていたことで知られており、彼と妻の間には常に緊張が生じていた。
02
いちゃつく, ナンパする
talk or behave amorously, without serious intentions
