to lift a finger
01
to make a minimal effort to do something, particularly in order to help someone
![to [lift|raise] a finger definition and meaning](https://cdn.langeek.co/photo/43148/original/?type=jpeg "to [lift|raise] a finger definition and meaning")
例
He watched us carry the boxes and did n't lift a finger to help.
to make a minimal effort to do something, particularly in order to help someone
