I don't think there's anyone out there that's as fun to be with as he is.
There's no one quite as fun as him to be with.
どちらも「彼ほど一緒にいて楽しい人はいない。」というニュアンスになります。
1) I don't think there's anyone out there that's as fun to be with as he is.
2) There's no one quite as fun as him to be with.
as fun to be with as he is
as fun as him to be with
を使って表現してみました。
ご参考になれば幸いです!
My boyfriend is really fun. I can't think of anyone as fun as him.
★ 訳
「私の彼氏はとても面白いです。彼ほど面白い人は他に思い当たりません」
★ 解説
・think of 〜「〜を思いつく、〜について考える」
・anyone「誰でも」
・as 形容詞/副詞 as 〜「〜と同じくらい…」
同等比較と呼ばれる表現法です。
I can run as fast as he.「私は彼と同じくらい速く走れる」(副詞を使用)
ご参考になれば幸いです。