Definition
to act with great confidence or assertiveness to undermine a rival's confidence, particularly in sports
（尤指在体育比赛中）吓住，震住（对手）
Before the game, the coach told the players to be confident because they needed to psych out their opponents.
比赛前，教练告诉球员要自信，因为他们需要让对手感到害怕。
She used various strategies to unsettle her opponents, trying to psych them out completely during the match.
她使用了各种策略来扰乱对手，试图在比赛中彻底让他们感到害怕。
In psychological warfare, athletes often try to intimidate each other with words and body language to psych them out.
在心理战中，运动员经常试图用言语和肢体语言互相恐吓，让对方感到害怕。