cannon
US
UK cannon n: (gun on wheels)
SC 大炮 dà pào
TC 大砲 / 大炮
TC 大砲 / 大炮
SC 加农炮 dà pào ，jiā nóng pào
The cannons in the park are from an old ship.
cannon n: (gun of a tank) (坦克上的)
SC 机关炮 jī guān pào
TC 機關炮
TC 機關炮
Most tanks have just the one cannon.
cannon fodder n: (soldiers considered expendable) (比喻，指可被拿来牺牲的士兵)
SC 炮灰 pào huī
Incompetent army officers view their soldiers only as cannon fodder.
loose cannon n: figurative ([sb] who is unpredictable)
SC 我行我素的人
Be careful when you talk to the manager; he's a loose cannon.
water cannon: (anti-demonstration device)
SC 高压水炮
SC 防爆水枪