backtrack
verb [ I ] uk/ˈbæk.træk/ us/ˈbæk.træk/
(GO BACK)
走回头路，原路返回
to go back along a path that you have just followed
We went the wrong way and had to backtrack till we got to the right turning. 我们走错了路，只好原路返回，直到找到正确的拐弯处。
(CHANGE OPINION)
收回说法;改变意见
to say that you did not mean something you said earlier or say that you have changed your opinion
[ + speech ] "All right," he backtracked, "It's possible that I was mistaken." “好吧，”他改变了态度说道：“我可能是错了。”
The officers were forced to backtrack on their statements. 这些军官被迫收回他们的声明。
She refused to backtrack from her criticisms of the proposal. 她拒绝收回对该提案的批评。