all but
1．all except除…外；都
All but three of the girls have passed the examination．除了 3个女生，其余的学生都通过了考试。
The shipwrecked people were rescued all but one．船只失事，遇难者除一人以外全部得救。
2．almost；very nearly几乎
He was all but bankrupt and couldn't help us．他几乎破产了，不能帮助我们。
The girl was all but run over by the car．那女孩差点被那辆小汽车压过去。