follow through (on (something))

to continue something until it is completed.

It was an unpopular idea, but he followed through on it anyway.

I am sorry now that I didn't follow through with music lessons when I was younger.

Etymology: based on the sports meaning of follow through (= to continue the movement of a swing, even after hitting a ball)

• be much cop
• be much of a muchness
• be much to look at
• be music to ears
• be music to someone's ears
• Be my guest.
• be my guest
• bend ear
• bend over backwards
• bend over backwards to do something
• bend someone's ear
• bend the rules
• be near the knuckle
• be neither fish nor fowl
• be neither one thing nor the other
• be new to the game
• be nip and tuck
• be no ball of fire
• be no bed of roses
• be nobody's fool
• be no fool
• be no good to man or beast
• be no great shakes
• be no joke
• be no laughing matter