This is the 808th most frequent Chinese word.
以后
"以后" means "after" or "in the future."
In this sentence, '以后' indicates a future timeframe, meaning 'in the future'.
我以后会更加努力学习。
I will work harder in my studies in the future.
Here, '以后' expresses 'after' to specify a time following the event of eating.
吃饭以后，我们去公园散步吧。
After eating, let's take a walk in the park.
In this case, '以后' conveys a time point after the action of moving.