riffle

• 名词，指液体表面的小波浪或涟漪；也指一种洗牌方法，将牌分成两半后让两边牌角交错穿插。

A noun referring to a small wave or ripple on the surface of a liquid, or to a method of shuffling cards by splitting the deck and interweaving the two halves at their corners.

1. Small surface waveB2formal

   A small, rippling wave or disturbance on the surface of a liquid, such as water.

   涟漪

   • A gentle breeze created a riffle across the pond.
   • The stone skipped across the water, leaving a series of riffles.
   • He watched the riffles form and disappear on the lake's surface.

   同义词rippleripplingundulationwaveletwimple

2. Card shuffling techniqueB2informal

   A method of shuffling playing cards by splitting the deck into two halves and interleaving them at their corners.

   鸽尾式洗牌法

   • The dealer performed a perfect riffle shuffle.
   • He practiced the riffle until he could do it quickly.
   • A good riffle ensures the cards are thoroughly mixed.

• 动词，表示快速翻动书页、卡片或类似物品，通常用轻巧拨动的手势；也可指洗牌时把牌分成两半并让牌角交错弹落。

A verb used to indicate the act of quickly flipping through pages, cards, or similar items, often with a light, shuffling motion.

1. Twitch or flutterC1formal

   To move or cause to move with a slight, quick, or fluttering motion.

   轻颤或飘动

   • The bird's feathers riffled in the breeze.
   • A sudden gust riffled the leaves on the ground.
   • Her fingers riffled nervously on the table.

   同义词flickerflitflutterquiverrippletrembletwitchvibratewaver

2. Browse through a bookB2informal

   To quickly look through the pages of a book, magazine, or other written material without reading it thoroughly.

   翻阅

   • He riffled through the magazine while waiting for his appointment.
   • She riffled the pages of the old novel, searching for a specific passage.
   • I riffled through the stack of papers on the desk.

   同义词browseflickflipscanskimthumb

3. Stir up waterC1formal

   To disturb the surface of water, causing small waves or ripples.

   搅动水面

   • The wind riffled the surface of the lake.
   • A stone thrown into the pond riffled the still water.
   • The boat's wake riffled the calm sea.

   同义词agitatedisturbripplerufflestir

   反义词calmflattensettlesmoothstill

4. Shuffle playing cardsB2informal

   To shuffle a deck of cards by splitting it into two parts and interleaving them with the thumbs.

   洗牌

   • The dealer riffled the deck expertly before dealing.
   • He riffled the cards several times to ensure they were well mixed.
   • She learned to riffle the cards with a single smooth motion.

   同义词dovetailshuffle