我忘不掉他用英语怎么说

"I can't forget about him" 这句话的英文表达是 "I can't get him out of my mind"。

"Get out of my mind" 是一个习语，意思是忘不掉某人或某事。这个习语的起源可能源于人们对于心理压力或困扰的描述。

例句：

I can't get him out of my mind since he broke up with me. (自从他和我分手后，我就忘不掉他。)
She can't get the image of the accident out of her mind. (她忘不掉那场事故的画面。)
I can't get the taste of that sandwich out of my mind. (我忘不掉那个三明治的味道。)