洋洋得意

Which the elation of liberty and the pain of exclusion were indistinguishably mingled.

她既为自由而，又因未能参加而不胜伤，感情难分难解地纠集在一起。

I reckon she has good reason to feel smug.

我认为她必有其缘故。

She gloated over her son’s achievements.

她对儿子的成就感到。