[If she's honest, Sam's surprised it translated so well, but either way, she'll explain it.]

Half like that. [She nods to Zeke, then.] The other half is when you've got live bait, like a minnow or something, and it thrashes so it's rippling to attract a big fish.

We're trying to attract a big fish. [Or, that's what it feels like to Sam, at least. Though here, it's a bit more ominous than it was back when she was fishing with her old man.]