Their enthusiasm waned a little when they saw its size.
But his energy and enthusiasm for the film business never waned.
Their enthusiasm had waned some after months in the field.
It takes me a bit of time to warm up these days, but my enthusiasm has not waned over the years.
But as she thought more about it, her enthusiasm waned.
But enthusiasm for such a comprehensive approach has waned in the Senate as well.
His enthusiasm waned, however, when he reached the dining room.
But now that I'm home, my enthusiasm for reform is waning.
This is fine if you actually enjoy such activities but all too often enthusiasm quickly wanes.
But enthusiasm waned after $20 million in studies by the Government.