spiked

• 指某物带有尖刺或尖端；也指饮料或食物中被偷偷加入了酒精或毒品等物质。

Describes something that has sharp points or has been laced with a substance, often alcohol or drugs.

1. Having sharp pointsB1formal

   Having one or more sharp, pointed projections.

   带尖刺的

   • The spiked fence prevented anyone from climbing over.
   • He wore a jacket with spiked shoulders.
   • The plant has spiked leaves that can prick your skin.

   同义词barbedbristlyjaggedpointedsharpspikythorny

   反义词bluntdullroundedsmooth

2. Increased sharplyB2informal

   Having risen or increased suddenly and significantly.

   急剧上升的

   • The spiked interest rates caused concern among homeowners.
   • There was a spiked demand for masks during the pandemic.
   • The graph shows a spiked trend in sales last quarter.

3. Containing added substanceB2informal

   Having had a substance (like alcohol or drugs) added secretly.

   掺有添加物的

   • The punch was spiked with vodka at the party.
   • He was arrested for selling spiked drinks.
   • She suspected her coffee had been spiked.

   同义词adulterateddruggedlaced

• 动词，指给某物加上尖头或使某物变得尖锐；也指数量或价格急剧上升；在体育中指将球猛力向下扣击。

A verb used to indicate the act of adding a sharp point or increasing something sharply, or in sports, to hit the ball forcefully downward.

1. Obstruct or preventB2informal

   To block, hinder, or stop something from progressing or succeeding.

   阻挠

   • The new regulations spiked our plans for expansion.
   • His injury spiked any chance of winning the championship.
   • The committee spiked the proposal due to budget concerns.

   同义词blockfoilfrustratepreventquashscotchsquashstopthwart

   反义词advanceaidassistfurtherhelppromote

2. Pierce with a sharp pointB2formal

   To impale or stab something with a sharp, pointed object.

   刺穿

   • The hunter spiked the animal's hide with a spear.
   • She spiked the document onto the bulletin board with a pin.
   • The worker spiked the ground with a metal rod to test the soil.

   同义词impalepiercepunctureskewerspearstabsticktransfix

3. Secure with spikesC1formal

   To fasten or attach something using spikes or similar pointed fasteners.

   用尖钉固定

   • The railway workers spiked the rails to the wooden ties.
   • They spiked the fence posts into the ground for stability.
   • The climber spiked the rope into the ice wall.

4. Produce spikes (botany)C1formal

   To develop or produce a spike-shaped flower cluster or inflorescence.

   抽穗

   • The lavender plant spiked in early summer.
   • The wheat began to spike after the rain.
   • The garden flowers spiked beautifully this season.

5. Add alcohol to beveragesB2informal

   To secretly add alcohol, especially spirits, to a drink.

   偷偷加酒

   • He spiked the punch with vodka at the party.
   • Someone spiked her soda without her knowledge.
   • The bartender spiked the cocktail with extra rum.

   同义词doctorfortifylace

6. Increase sharplyB2formal

   To experience a sudden and significant rise in value, quantity, or intensity.

   急剧上升

   • The stock price spiked after the announcement.
   • Temperatures spiked to record highs this summer.
   • Demand for the product spiked during the holiday season.

   同义词jumpleaprocketshoot upskyrocketsoarsurge

   反义词crashdeclinedecreasedipdropfallplungetumble

短语动词变体spike out