在英语中，“不带回去”的意思可以用以下几种表达方式来表达：

leave behind：留在背后，把…留在后面
例句：
I forgot to bring my phone with me, so I had to leave it behind.（我忘记带手机了，所以我不得不把它留在了后面。）
We had to leave our luggage behind because the train was about to leave.（我们不得不把行李留在了后面，因为火车快要开走了。）
leave behind：留下，遗留下来
例句：
The company was forced to leave behind a lot of debts when it went bankrupt.（这家公司破产时不得不遗留下很多债务。）
The ancient civipzation left behind many valuable artifacts for us to study.（这个古老文明为我们留下了很多宝贵的文物供我们研究。）
leave without：不带着…离开
例句：
He left without saying goodbye to anyone.（他没有和任何人道别就走了。）
She left without her purse, so she had to go back and get it.（她没有带钱包就走了，所以她不得不回去取。）
not take with：不带着…
例句：
I can't take my dog with me on the plane, so I have to leave him with a friend.（我不能带着我的狗坐飞机，所以我不得不把它留给朋友照看。）
He decided not to take his phone with him on the hike, so he left it at home.（他决定不带手机去徒步旅行，所以他把它留在了家里。）

希望以上信息能帮到你！