The responsibility naturally fell on our shoulders.
责任自然地落到了我们肩上。
Naturally, the tobacco industry is violently opposed.
自然地，烟草行业会强烈反对。
Naturally, I get upset when things go wrong.
事情出了错，我当然就会很烦。
After a while, we naturally started talking about the children.
过了一会儿，我们自然而然地谈起了孩子。