想不開 的英文怎麼說?

[1] not get over it[2] in denial[3] cannot get over somebody/something
  not over somebody/something[4] negative
  obsessed

not get over it = 無法釋懷的最佳翻譯之一

in denial 指一個人無法接受一件事情的發生, 所以一直否認.

cannot get over something = 令人無法釋懷

I just can't get over her. = 我對她難以釋懷(也就是說，我還是對她有感情，無法忘記她)