我迷路了，所以不得不原路返回。

I was lost, so I had to ___retrace ___my ___steps.

他原路返回去找丢失的钥匙。

He ___retraced ___his ___steps to find his lost keys.

如果你迷失了方向，冷静地原路返回。

If you get disoriented, calmly ___retrace ___your ___steps.