스스로도

In a sentence

• 그는 스스로도 자신의 행동에 대해 이해하지 못했다.

  He himself did not understand his own behavior.

  In this sentence, "스스로도" is used to emphasize the subject's own inability to comprehend.

• 스스로도 노력해야 목표를 이룰 수 있다.

  You must make efforts yourself to achieve your goals.

  Here, "스스로도" highlights the individual's responsibility in addition to possible external aids.

• 그는 스스로도 그것이 힘든 일이라는 걸 알고 있었다.

  He himself knew that it was a difficult task.

  In this usage, "스스로도" underlines the personal acknowledgment of a challenge.