Follow through (on/with sth) (Short video)

The phrase of the day is: "Follow through (on/with sth)"

• To do what needs to be done to complete something or make it successful.
  [ --- You must follow through on the things that you start. --- ]
  
• In sports, a follow-through is the action of continuing a swinging motion of the arms or legs when making a play.
  [ --- The project went wrong when the staff failed to follow through. --- ]