blackjack

• 一个多义词：指美国东南部一种树皮深色、叶子呈三裂的树木；一种带柔性手柄的皮革金属武器；黑底白色骷髅与交叉骨头的海盗旗；或一种纸牌游戏，玩家力争点数超过庄家但不超过21点。

A noun with multiple meanings: a type of tree native to the southeastern United States with dark bark and three-lobed leaves; a leather-covered metal weapon with a flexible handle; a pirate flag featuring a white skull and crossbones on a black background; or a card game where players aim to have a hand value higher than the banker's without exceeding 21.

1. Tree speciesC1formalamerican

   A small to medium-sized deciduous tree native to central and southeastern United States, with dark bark and broad, three-lobed leaves, often forming dense thickets.

   树种

   • The blackjack tree is common in dry, rocky soils of the American South.
   • Hikers often encounter dense thickets of blackjack in the forest.
   • The leaves of the blackjack tree turn a deep red in autumn.

   同义词blackjack oak

2. B2informal

   A short, flexible club covered with leather, used as a striking weapon.

   包皮短棍

   • The guard carried a blackjack for self-defense.
   • He was struck with a blackjack during the robbery.
   • Blackjacks were once common tools for law enforcement.

   同义词coshsap

3. Pirate flagB2formal

   A black flag bearing a white skull and crossbones, historically used by pirates to identify their ships.

   海盗旗

   • The pirate ship raised the blackjack as it approached the merchant vessel.
   • The blackjack flag struck fear into the hearts of sailors.
   • Museums often display replicas of the blackjack flag.

   同义词jolly roger

4. A2informal

   A popular gambling card game where players aim to have a hand value higher than the dealer's without exceeding 21.

   二十一点

   • He won a lot of money playing blackjack in Las Vegas.
   • The rules of blackjack are simple to learn.
   • She got a blackjack with an ace and a king.

   同义词pontoontwenty-onevingt-et-un

• 指用棍棒或类似武器殴打、袭击某人，也指通过胁迫或恐吓迫使某人做某事。

A verb meaning to hit or beat with a blackjack (a type of weapon), or to coerce or intimidate someone into doing something.

1. Coerce or intimidateC1informalamerican

   To exert pressure on someone through threats or intimidation to force them to do something.

   胁迫

   • The mob tried to blackjack the shop owner into paying protection money.
   • He felt blackjacked into signing the contract by their threats.
   • They attempted to blackjack her into silence with veiled warnings.

   同义词browbeatbulldozebullycoercecowdragoonintimidatepressurerailroadsteamrollerstrong-armthreaten