lift / raise a finger

/lˈɪft ɹˈeɪz ɐ fˈɪŋɡə/

/lˈɪft ɹˈeɪz ɐ fˈɪŋɡɚ/

to lift / raise a finger

to make a minimal effort to do something, particularly in order to help someone

Examples

1. You've been promising to do that for months but haven't so much as lifted a finger around here.

2. You didn't even raise a finger to help her.

3. He never lifted a finger to get Jimmy released from prison.

4. He just watches TV and never lifts a finger to help with the dishes.