get it together idiom informal
下定决心;振作起来，打起精神
to make a decision or take positive action in your life
Blake has really got it together since I last saw him - he has started a new job and lost a lot of weight. 我上次见他以后，布赖恩确实已经振作起来了——他开始了一个新工作，体重也减了不少。