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
I feel sorry for the beggars, but I can't stand it when they teach their children how to beg.
我很同情乞丐，但我真的看不惯他们教孩子怎么样行乞。
They teach you English in an intensive course lasting just a week.
他们用一周的时间教速成英语课程。
The strike is due to begin on Tuesday.
罢工定于星期二开始，