go back to

英 [ɡəʊ bæk tu]

美 [ɡoʊ bæk tu]

恢复; 重新开始; 重操（旧业）; 回到（原来的话题等）

柯林斯词典

PHRASAL VERB 恢复；重新开始；重操（旧业）
If yougo back toa task or activity, you start doing it again after you have stopped doing it for a period of time.
1. I now look forward to going back to work as soon as possible...
  我现在渴望尽早回到工作岗位。
2. Amy went back to studying.
  埃米重拾学业。
PHRASAL VERB 回到（原来的话题等）
If yougo back toa particular point in a lecture, discussion, or book, you start to discuss it.
1. Let me just go back to the point I was making.
  请允许我再回到我刚才所提的观点。