1. go back to: 回去,返回;追溯到
(1)(停止一段時間后)回到(某任務、活動等)
eg. I now look forward to going back to work as soon as possible.
我現在盼望盡快回到工作中。
(2) 回到(講座、討論、書等的某一點)
eg. Let me just go back to the point I was making.
讓我回到我剛才所談的那一點上。
2. have trouble with: 與……有糾紛;有……的病痛
eg. I have trouble with my roommate.
我和我的室友相處起來有些問題。
eg. Adults more typically have trouble with paying attention, focusing and prioritizing.
成年人更加典型的癥狀則是很難集中注意力,關注某件事物,分清主次。
3. take off: 使停用
eg. But the idea has been slower to take off in Britain, for predictable reasons.
但在英國,由于可以想象的原因,這個概念沒有很快獲得接受。