When the project started, she was thrown into the deep end of the shaft.
Когда проект начался, ее бросили в глубокий конец шахты.
Definitions
The 'deep end of shaft' refers to the farthest or lowest part of a shaft, such as a vertical or inclined passage in a mine, tunnel, or mechanical structure. It typically indicates the end that is deepest underground or furthest from the surface or entrance.