There is a breach in the wall.

墙上豁了一个口子。

《新英汉大辞典》

Wall Street observers said that accepting favours from companies under coverage is a breach of the code of conduct of the CFA Institute, the trade body.

华尔街观察人士表示，接受研究对象的帮忙，违反了行业组织CFA协会(CFA Institute)的行为准则。

youdao

Therefore this iniquity shall be to you as a breach ready to fall, swelling out in a high wall, whose breaking cometh suddenly at an instant.

故此，这罪孽在你们身上，好像将要破裂凸出来的高墙，顷刻之间，忽然坍塌。

youdao

The government investigation is only partly complete, but it has now looked in detail at one dramatic failure, the breach of a wall that held back water in the 17th Street canal.

NPR: Panel's Report Assigns No Blame in Levee Failures

Just as important, the attacks on Mr Rubin unnecessarily widen a breach with Wall Street.

ECONOMIST: But Republicans do so at their own risk

In the wake of the attack, the fear was that a breach in the wall, and flooding of the bathtub, might flood the Path tunnels that passed into the bathtub.

FORBES: The Bathtub. Lower Manhattan's Wall Against Water.