PHRASAL VERB 使（自己）做好心理准备；为（自己）打气 If you psych yourself up before a contest or a difficult task, you prepare yourself for it mentally, especially by telling yourself that you can win or succeed. 使（自己）做好心理准备；为（自己）打气 [informal]
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After work, it is hard to psych yourself up for an hour at the gym. [VERB pronoun-reflexive PREP.]
下班后，很难打起精神再去健身房锻炼一个小时。
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Before the game everyone gets psyched up and starts shouting. [get V-ed P]
比赛前每个人都亢奋起来，开始大声喊叫着为自己打气。