표정으로

In a sentence

• 그는 기쁜 표정으로 나를 반겨 주었다.

  He welcomed me with a happy expression.

  In this sentence, "표정으로" (with expression) indicates the manner or facial expression used to perform the action of greeting.

• 그녀는 불만스러운 표정으로 회의를 바라보았다.

  She looked at the meeting with a dissatisfied expression.

  Here, "표정으로" describes the facial expression associated with the act of looking at the meeting.

• 아이들은 장난스러운 표정으로 서로를 놀렸다.

  The children teased each other with playful expressions.

  This usage of "표정으로" illustrates the mood or attitude displayed through the facial expressions while teasing among children.