loose cannon

音標(biāo)發(fā)音

Arab elites came to view him as a loose cannon and a dangerous crank.
阿拉伯的精英逐漸把他看成一個(gè)大砲簡子和危險(xiǎn)的怪人。
Some of Walsh's higher-ups at Division, however, worried that he was a loose cannon - and this latest mission hadn't dissuaded them from that notion.
不過在CTU所屬的部門裡，沃爾什的一些上司擔(dān)心傑尅是一門失去約束的大砲，隨時(shí)會(huì)誤傷自己人——最近的一次任務(wù)絲毫不會(huì)改善他們的這種看法。
Part of the reason was quality control: by definition, an Easter egg is an untested feature. It's a loose cannon that could, in theory, interfere with other, more important parts of the program.
原因有三，第一個(gè)原因，是出於質(zhì)量控制考慮：嚴(yán)格說來，彩蛋是一段未經(jīng)測試的程序，理論上來講，它可能會(huì)對(duì)整個(gè)程序中其他重要的功能代碼産生影響。

Mr Byrd has become something of a loose cannon in the Senate of late, but little could compare with his latest antics.
ECONOMIST: Trade
He is at most a slightly loose cannon in a party whose instinct is to lash every moving object tightly to the deck.
ECONOMIST: Is Tony Blair a Dalek?

someone who behaves in an uncontrolled or unexpected way and is likely to cause problems for other people