barricade

Compared meaning: an obstacle set up to block a road (noun).

比较义项：设置在路上阻挡通行的障碍物（名词）。

• barricade 本词

  Emphasizes a barrier deliberately built or assembled from objects (crates, furniture, vehicles) to block people or traffic; often linked to protests, riots, or defense, and can also be used as a verb.

  强调用物品（板条箱、家具、车辆等）临时搭建起来阻挡人群或车辆的障碍物，常与示威、暴动或防御场景有关，也可用作动词。

  Rioters built a barricade of burning tires across the street.

  暴动者用燃烧的轮胎在街上筑起了一道路障。

• roadblock

  A neutral, everyday word for whatever blocks a road, whether an official checkpoint set up by police or an accidental obstruction like a fallen tree; rarely used as a verb.

  是更中性、日常的说法，指任何堵住道路的东西，可能是警方设置的检查站，也可能是意外造成的阻碍（如倒下的树木）；很少用作动词。

  Police set up a roadblock to check every car leaving the city.

  警方设置了一个路障，检查每一辆离开城市的车辆。

Barricade and roadblock both mean an obstacle blocking a road, but tone differs. Barricade stresses a barrier built from objects like crates or furniture, often for protests or defense. Roadblock is a neutral word, usually a police checkpoint but sometimes accidental, like a fallen tree.

这两个词都指堵住道路的障碍物，但语气和典型场景不同：barricade 强调临时搭建、常用于示威或防御的路障，语气更强烈；roadblock 是更中性的日常用词，常指警方设置的检查站，也可能是意外造成的阻碍，例如倒下的树木。

Compared meaning: to block or seal off a road or passage (verb).

比较义项：阻塞、封锁道路或通道（动词）。

• block

  The most general term: to stop something from passing, with no implication of a built barrier — the obstruction can be any object, like a fallen tree or a stalled car.

  最通用的说法：表示阻止某物通过，并不暗示搭建了障碍物——阻挡物可以是任何东西，比如一棵倒下的树或一辆抛锚的车。

  Roadworks block the street every morning during rush hour.

  道路施工每天早高峰时段都会堵塞这条街道。

• barricade 本词

  Implies deliberately building a barrier out of objects such as furniture, vehicles, or sandbags to block a road, door, or passage, often for defense or protest.

  指故意用家具、车辆、沙袋等物品搭建路障来堵住道路、门口或通道，常用于防御或抗议。

  Protesters used old furniture to barricade the street entrance.

  抗议者用旧家具在街道入口设置路障。

• blockade

  Refers to surrounding a port, city, or country over time, often by military force, to cut off supplies or movement in and out.

  指长时间包围港口、城市或国家，常由军事力量执行，以切断物资或人员的进出。

  The enemy fleet tried to blockade the harbor for weeks.

  敌方舰队试图封锁港口数周之久。

Block, barricade, and blockade mean stopping something from passing, but method and scale differ. Block is the most general word. Barricade means building a barrier from objects to block a road. Blockade means surrounding a large area, like a port or city, by military force.

这三个词都表示阻止通行，但方式和规模不同：block 最通用，不涉及具体手段；barricade 强调用障碍物设路障；blockade 强调长时间封锁较大的区域（如港口、城市）。