'a big stride forward' is correct and usable in written English.
You can use it when you are describing significant progress or improvement towards a goal. For example, "The new technology has been a big stride forward in cancer research."
That's a big stride forward.
"Exterior fit and finish, quality of interior materials and driving refinement all take a big stride forward," he said.
The buy-out of 99p would add 250 extra stores to Poundland's estate of nearly 600 UK outlets, helping make a big stride forward to its target of 1,000 stores here.
Walshe also recommends leg lunges, in which you stand with your legs together then take a big stride forward with one leg, bending both knees until your legs are at right angles to the floor and the back knee is almost touching the ground.
"We took a big stride forward from our first performance," said Smith.
And no sooner had I said that than Charlotte Edwards gets a big stride forward and unfurls a lovely cover drive that rolls away to the fence.
Look for other leaders whose tactics you can replicate to make a bigger stride forward.
"Elgar played well - a nice big stride forward to the ball.
And it's a very big upgrade over the sixth-generation Golf R. In the right conditions, when a driver needs that extra bite from the rear end, it's also a great stride forward from the already spectacular Golf GTI.
Similarly, might a school serving a challenging or disadvantaged area be making big strides forward and punching above its weight?
WALKING LUNGES Take a big step forward — about twice the length of your natural stride — and then lower your back knee until it's approximately an inch above the floor.
