let me off 有很多个意思.
1,停、下车
Please let me off at the nearest floor.
请让我停在最近的一层楼.
Driver,turn left at the next corner and let me off there,please.
司机先生,下一个转弯向左转,请让我在那儿下车.
2,让.好过
But my conscience wouldn't let me off that easily.
但是我的良心并不让我好过.
要理解,要在你阅读的实际语境中理解.
希望对你有所帮助!