This is the 4393rd most frequent Korean word.
필립
"필립" is the Korean transliteration of the name "Philip."
In this sentence, '필립' is used as a proper noun referring to a person's name, functioning as the subject of the sentence.
필립은 오늘 날씨가 좋다고 말했어요.
Philip said that the weather is good today.
Here, '필립의' modifies '책' by indicating possession, showing that the book belongs to Philip.
필립의 책은 어디에 있나요?
Where is Philip's book?
In this context, '필립을' acts as the object of the verb '생각하다' because the particle '을' marks Philip as the direct object in the sentence.