get the better of someone idiom
击败…
to defeat someone in a competition
He fought fiercely, but his opponent easily got the better of him. 他奋力搏斗，可还是被对手轻而易举地击败了。
感情战胜…的理智
If a feeling gets the better of you, you cannot stop yourself from allowing that feeling to make you do something, despite knowing that what you are doing is wrong.
Her curiosity got the better of her and she opened the door and peeped inside. 她的好奇心占了上风，于是她打开房门，向里窥视。