A fox cannot hide its tail.; Evils cannot be covered up.

狐狸尾巴藏不住。

《新英汉大辞典》

Likewise, it was hard to gauge the exposures to "tail" risks built up by sellers of swaps on CDOs such as AIG and bond insurers.

同样，例如AIG和其他债券保险商所发行的CDO互换的“尾部”风险的暴露也很难估计。

youdao

Most hits start somewhere in the long tail and move up; so as content in the tail becomes easier to discover, the hits that emerge from it should also be of higher quality.

大多数“热销作品”最开始也属于“长尾巴”，后来才得以步步攀升；只要“长尾巴”中的产品更容易被人发现，从中涌现的“热销作品”也应当具有较高的品质。

youdao

Finally, they moved me into a pick-up truck, then the back of a tail-dragger Cessna with a couple of nurses on it and flew to Nairobi.

FORBES: Billionaire Tom Siebel Shares Chilling Elephant Attack Horror Story

So the mysterious Mr Rajoy must seek to avert twin tail-risks: the break-up of the euro zone on the rocks of Spain, and the break-up of Spain itself.

ECONOMIST: Charlemagne

Bell and Panesar combined to run out Yuvraj for 45 off 39 balls when Zaheer sent him back and Panesar then bowled the tail-ender comprehensively before Anderson cleaned up Patel to put the seal on a highly impressive victory.

BBC: Inspired England take series lead