However, the car initially proved to be very unreliable.

The scheme initially proved a success but was later scrapped.

However the business whilst initially proving a success didn't work out and ultimately closed down.

Costing $7million, the model initially proved too large for any existing water tank.

A standard tuning had to be chosen which initially also proved problematic.

It initially proved successful in breaking into the market with its music which includes songs from the 70's through to present day hits.

The school question proved troublesome initially for Soviet policies.

Any information police could get from their informers initially proved useless.

Having Malkovich's name attached to the company did not initially prove valuable.

The next year also proved difficult for the Union initially.