to save one's life
- (informal) at all (Used with "can't", "couldn't" etc. to emphasize a lack of skill)
- I can't dance to save my life.
- (informal, hyperbolic) under any circumstances; [I'd] rather die than... (Used with "will not", "would not" etc. to emphasize refusal)
- She wouldn't eat baked beans to save her life.
- (with "can't", "couldn't" etc.) for toffee