He's a social flop. 他的人缘尽失.
He's a loner. 他是个孤单的人. It's lonely at the top. 位居高津者孤寂.
You are an outcast. 你被摒弃在门外. My social life is dull. 我的社交生活很枯燥.
I hate being alone. 我讨厌孤单一人. That scholar's lived his life in an ivory tower. 那位学者住在象牙塔里.
