a last-ditch attempt to solve a problem is the final attempt that you make after you have failed several times to solve it.

The gesture has been seen by many as a last-ditch attempt to win voters. (always before noun)

The UN is trying to secure talks between the two sides in a last-ditch effort to avert war.

• can't boil an egg
• can't complain
• can't cut the mustard
• can't do something for nuts
• can't do something for toffee
• can't do something to save life
• can't do something to save your life
• can't for nuts
• can't for the life of me
• can't for toffee
• can't hear think
• can't hear yourself think
• can't help
• can't help something
• can't hold a candle to
• can't hold a candle to someone
• can't hold a candle to something
• can't hold a candle to something else
• can't hold drink
• can't hold liquor
• can't hold their drink
• can't hold their liquor
• can't keep eyes off
• can't keep eyes off someone
• can't keep eyes off something