I have no doubt that she’ll tell us in the fullness of time. =>我坚信她会在适当的时候告诉我们的。 英文解释已经清楚，就是：适当的时候。 然后我们再查看fullness的意思，可以看到：在适当的时候；待时机成熟时；最终 If you say that something will happen in the fullness of time, you mean that it will eventually happen after a long time or after a long series of events.