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back down退让, 退回去, 撤销(要求等)
例句：After being confronted with our evidence, the other side had to back down.
面对我们的证据, 另一方不得不退让。
2.He's already being investigated on suspicion of paying a 17-year-old Moroccan dancer for sex, an allegation he denies.
on suspicion of有嫌疑
例句：The boy was arrested on suspicion of theft.
这个男孩因偷窃嫌疑而被捕。
3.The investigating panel said the crisis was avoidable and resulted directly from human action and inaction.
result from产生于…, 由…引起
例句：Nothing had resulted from our efforts.
我们的努力没有产生什么结果。
His failure resulted from not working hard enough.
他的失败是工作不够努力造成的。
