[zì rán]
（自然界） nature; natural world
transform nature
改造自然
conquer nature
征服自然
（表示理所当然） naturally; of course
Naturally, you were keyed up when you went on the platform for the first time.
你第一次登上讲台感到紧张是很自然的。
（自由发展； 不经人力干预） naturally; in the ordinary course of events
die out naturally
自然地归于消灭
Constant effort yields sure success.
功到自然成。
You will understand in due course.
到时候你自然明白。
You are just overtired. There is nothing wrong with you. You'll be all right after a couple days' rest.
你就是太累了， 没别的毛病， 休息两天自然会好的。