B2 充分利用,尽量利用
to take full advantage of something because it may not last long
  It's a beautiful day - we should make the most of it. 今天天气很好——我们一定要尽情享受一下。 
 It so rarely snows, you have to make the most of it when it does.
 I wanted to make the most of the time that we had together.
 I'd make the most of this weather, if I were you.
 I work long hours so when I get some free time, I want to make the most of it.
 Your youth won't last forever - make the most of it!
 See also: most