In this scene, Riley was acting like she didn't care, but her emotions knew she was lying, which is why Fear said, "Check out this example from The Croods." To change her mind means to alter or reverse a previous opinion, decision, or belief.
在這個場景中,萊莉表現得很不在乎,但她的情緒知道她在撒謊,所以菲爾說:"看看《古惑仔》裡的這個例子。"改變主意的意思是改變或扭轉之前的觀點、決定或信念。