句1: ask people to pay out of pocket for services…
句2: the US could not be certain whether the other two bunkers were clear of people
问1: out of翻译
问2: be clear of理解
out of pocket 是习语,意思是“缺钱”“赔钱”“自掏腰包垫付”
clear of 也是习语,意思是“离开”“避开”“摆脱”“摆脱”。
ask people to pay out of pocket for services要求人们自掏腰包购买服务
the US could not be certain whether the other two bunkers were clear of people 美国无法确定另外两个掩体是否无人