Loose cannon
<美>（不属于任何派别）我行我素的人, 变得无法控制的人
🧩 词语组成解析
loose
[lus]
adj. 松的，宽的;模糊的;散漫的;自由的;
vt. 释放;不受约束地表达;松开;射出（子弹、箭等）;
vi. 变得松散;发射导弹;开火;
adv. 散漫地;
n. 解放;放任;发射;
🗣️ 情景例句
One piece of advice.
给你一句忠告。
Loud noise.
嘈杂的声音。
I even went out at midnight with a torch and noted with satisfaction (and surprise) that the ants were still swarming around the sticky tape without being able to do anything about it.
半夜，我还拿着电筒来到花园里，满意地（同时惊奇地）发现那些蚂蚁还围着胶带团团转。无能为力。