无: not|regardless of|there is not|be without|not have|nothing|nil
他身后无儿女。
He left no children.
《新英汉大辞典》
将项目再清点一遍以确保无遗漏。
Enumerate the items again to be sure none is missing.
《21世纪大英汉词典》
他没有去，换句话说，他去的这个事实无案可查。
He didn't go; that is to say, it is not recorded that he did.
《新英汉大辞典》
军中无戏言。
There is no jesting in war.? (摘自有道词典）
《新英汉大辞典》