smoking gun

音標發(fā)音

But their postings went up after thestockmarket had closed—hardly a smoking gun.
他們張貼上后，股市已經(jīng)關閉，幾乎沒有確鑿的證據(jù)。
Dr. Joyce, however, said that the experimenters had yet to provide a “smoking gun” that there was arsenic in the backbone of working DNA.
但是，喬伊斯博士說，實驗還需要找到確鑿的證據(jù)來證明在DNA骨架中存在砷。
It isnot clear that the Americans have a smoking gun linking the ISI to the orderingof strikes in Afghanistan. More to the point, America's abilities to influencePakistan's army are limited.
他稱美國確實沒有確鑿的證據(jù)證明阿富汗的恐怖襲擊與巴基斯坦三軍情報局相關，但這主要是因為美國對巴軍的影響力有限。

"There was no single piece of intelligence, a 'smoking gun' if you will, that said that Mr.Abdulmutallab was going to carry out his attack against that aircraft,"
And here is the smoking gun sentence right here.
這是確鑿的證據(jù)。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選

According to the Smoking Gun, Andrews was just one of 16 female reporters he targeted.
FORBES: The Erin Andrews peephole pervert gets 30 months, while millions of video-watching perverts go unpunished
John Brennan said Sunday a couple of times that there was no smoking gun.
WHITEHOUSE: Press Briefing

A smoking gun is a piece of evidence that proves that something is true or that someone is responsible for a crime.