carry through

[carry through] {v.} 1a. To put into action.

Mr. Green was notable to carry through his plans for a hike because he broke his leg.

1b. To do something you have planned; put a plan into action.

Jean makes good plans but she cannot carry through with any of them.

Compare: GO THROUGH WITH, CARRY OUT.

2. To keep (someone) from failing or stopping; bring through; help.

When the tire blew out, the rules Jim had learned in driving class carried him through safely.