turn back

US /tɜːrn bæk/
UK /tɜːrn bæk/
"turn back" picture
1.

折返, 回头

to return to a starting point or to go in the opposite direction

:
We had to turn back because of the heavy snow.
由于大雪,我们不得不折返
It's getting late, we should turn back now.
天色已晚,我们现在应该折返
2.

扭转, 倒退

to cause something to return to an earlier state or condition

:
Can we turn back time to when things were simpler?
我们能让时间倒流回到更简单的时代吗?
The new policy aims to turn back the tide of rising unemployment.
新政策旨在扭转失业率上升的趋势。