The Hunger Games: Catching Fire -
Haymitch: You two have a very simple task...
Katniss: I never meant for anyone to get killed, he has to know that...
Haymitch: What are you talking about? Who has to know what?
Katniss: Snow. He came to see me. He's worried about rebellion (a 'rebellion' is formed when people organize themselves to fight against the government or other authority) in the districts. He thinks they don't believe our 'love story' (here, 'love story' means the lie that they told the people: that they are in love with each other).
Peeta: You know, Katniss, you should have told me that before I went out there and tried to give these people their money!
Katniss: I'm sorry, I didn't know what to do!
Haymitch: Katniss, what were you thinking? (this expression means 'why did you do this?')
Katniss: Please, please, just help me get through ('get through' means to 'endure and survive') this trip..please, just help us get through this...
Haymitch: This trip?! Girl, wake up! This trip doesn't end when you get back home. You never get off this train ('get off this train' means 'to not be involved in something'). You two are mentors (like a 'teacher') now. From now on, your job is to be a distraction, so people forget what the real problems are.