n.

1. 【美】（河流的）急流；淺灘
2. 彈洗（一種洗牌法）
3. （砂金採集槽的）格條

vt.

1. 使波動
2. 迅速翻閱
3. 用分兩半交互切入方式洗（牌）

vi.

1. 波動
2. 飛快翻閱

v.

1. turn over something, especially pages, quickly and casually.
   ▸ (riffle through) search quickly through.
   ▸disturb the surface of; ruffle.
2. shuffle (playing cards) by flicking up and releasing the corners of two piles of cards so that they intermingle.

n.

1. an act of riffling.
2. N. Amer. a shallow part of a stream or river.
   ▸a patch of waves or ripples.