This is the 159th most frequent Chinese word.
便
Convenient; then; so; even; informal for "stool" or "urine."
Here, '便' indicates a subsequent action, connecting the two clauses to show order.
我笑一笑,便走了。
I smiled, and then left.
In this sentence, '便' represents a conditional outcome, emphasizing that the second clause follows naturally from the first.
只要努力学习,便可以取得好成绩。
As long as you study hard, you can achieve good results.
Here, '便' expresses a logical consequence or result, highlighting the cause-effect relationship between the two statements.