便

In a sentence

• 我笑一笑，便走了。

  I smiled, and then left.

  Here, '便' indicates a subsequent action, connecting the two clauses to show order.

• 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.

  In this sentence, '便' represents a conditional outcome, emphasizing that the second clause follows naturally from the first.

• 他是个老实人，便很受大家的喜欢。

  He is an honest person, thus he is well-liked by everyone.

  Here, '便' expresses a logical consequence or result, highlighting the cause-effect relationship between the two statements.