[make the most of] {v. phr.}
To do the most you can with; get the most from; use to the greatest advantage.
* /She planned the weekend in town to make the most of it./* /George studied hard. He wanted to make the most of his chance to learn./* /The teacher went out of the room for five minutes and some bad boys made the most of it./* /Bill liked Mary; he would do anything for her, and Mary made the most of it./
Compare: MAKE HAY WHILE THE SUN SHINES.