To have brush with

He was <u><em>carried off his feet</em></u> when he was declared to have won the prize.

To hit the nail right on the head

He has been working <u><em>on and off</em></u> for several years on this research project.

Although both the parents are running the show for the last ten years but their business is now <u><em>on it…

Within an ace of

To change colour

He is always <u><em>picking holes in every</em></u> project.

When he heard that he had once again not been selected he <u><em>lost heart</em></u>.