难上加难

Repeating this formula with devalued bolívares is harder.

让玻利瓦贬值以重演经济成长的公式更是难上加难。

History shows the great difficulty of amphibious assaults, particularly against well-defended island objectives.

历史告诉我们，两栖战困难重重，攻击目标如果是具有强大防卫力量的岛屿，更是难上加难。

At the outbreak of the Civil War the Union was depending upon hand-to-mouth borrowing to meet expenses and with the beginning of hostilities at Fort Sumter in April 1861 the burden of funding the war effort and paying employees, including soldiers in the field, offered no small challenge.

联邦财政自 1857 年&大恐慌&来未曾好转，由于美国南方步步进逼，威胁退出联邦，一场战事或一触即发， 1860 年美国总统林肯大选时，至要从债券市场集资更是难上加难。在内战爆发之际，联邦已到了靠现买现卖维持支出的地步。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。