adv.謹(jǐn)慎地；慎重地

They had prudently withdrawn as soon as the van had got fairly under way. 他們在蓬車安全上路后立即謹(jǐn)慎地離去了。

They saw that the human race had only one world to live in and that, unless it managed its affairs prudently, all human beings may perish. 他們看到，人類只有一個可以生存的世界，除非人類更謹(jǐn)慎地處理世界事務(wù)，否則全體人類就可能滅亡。

adv.魯莽地；不小心地