holed below the waterline idiom
破坏造成的短期影响不明显但最终会导致失败的情况
damaged in a way that is not immediately obvious but that will in the end cause someone or something to fail completely
Rising national debt meant any plans for big projects had been holed below the waterline. 不断增加的国债意味着任何大型的项目都已经从根本上遭到了破坏。