迷失方向;迷路
to become lost
We lost our way in the dark.我们在黑暗中迷了路。
忘记宗旨;背离…的意图
to forget or move away from the purpose or reason for sth
I feel that the project has lost its way.我觉得这个项目已经背离了原来的意图。
释义来自《牛津高阶英汉双解词典》第 9 版