backtrack

折返、原路返回、走回头路

We had to backtrack two kilometers to find the trailhead.

我们必须原路折返两公里才找到登山口。

改口、反悔、打退堂鼓

The minister backtracked after the public criticized his remarks.

民众批评他的言论后，部长随即改口。

回溯、追溯

Let's backtrack through the data to see where the error started.

我们回溯这些资料，看看错误是从哪里开始的。

违背、反悔、收回

The company backtracked on its promise to raise wages.

公司违背了加薪的承诺。