1.lead to 导致;引起
A lack of prudence may lead to financial problems.
不够谨慎可能会导致财政上出现问题
。2.short of 缺少;达不到
Government forces are running short of ammunition and fuel.
政府军队的弹药和燃料都所剩无几了
。3.refuse to 拒绝;不肯
I refuse to act that way when my kids fight.
我的孩子们打起架来时,我不会那样做
。4.at first 起先;最初
At first he insisted on the accuracy of his account, however, he agreed with what I said.
一开始他坚持他的说法准确,可他还是同意了我的论点
。