意识到我们走错了方向，我们不得不原路返回寻找正确的路径。

Realizing we were going the wrong way, we had to ___backtrack to find the right path.

公司最初宣布裁员，但在员工抗议后迅速改口了。

The company initially announced layoffs but quickly ___backtracked after employee protests.

为了找出错误，老师重新检查了学生的解题步骤。

The teacher ___backtracked through the student's work to find the mistake.