Kathy: You left Dan in the dust!
Morley: We might have to wait a while. He's way behind.
Kathy: I hope he doesn't get lost without me to help him translate Chinese.
Morley: But he's good at Chinese.
Kathy: Oh, I wouldn't know. We only speak English.
Morley: Maybe you should try speaking Chinese to him and find out.
Kathy: I speak English to make it easier for him.
Morley: It's up to you guys.
★ beat (v.) 击败
★ leave someone in the dust 把某人远远地抛在后面
★ way (adv.) 非常地
★ make it easier for someone 给某人方便
★ It's up to you. 由你决定。