backtrack

折返、原路返回、走回頭路

We had to backtrack two kilometers to find the trailhead.

我們必須原路折返兩公里才找到登山口。

改口、反悔、打退堂鼓

The minister backtracked after the public criticized his remarks.

民眾批評他的言論後，部長隨即改口。

回溯、追溯

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

我們回溯這些資料，看看錯誤是從哪裡開始的。

違背、反悔、收回

The company backtracked on its promise to raise wages.

公司違背了加薪的承諾。