to prepare for something that you have to do, or to prepare someone else for something

Politicians are already gearing up for the election. 政治家们已经为大选做起了准备。

[ + to infinitive ] I'm gearing myself up to ask him to give me my money back. 我准备要开口向他要回我的钱。

I'm trying to gear myself up for tomorrow's exam. 我正在努力为明天的考试做准备。