1. go after - Verb
2. go after - Phrase
go after with the intent to catch
go in search of or hunt for
Source: WordNetYou can't wait for inspiration. You have to go after it with a club. Jack London
Stay focused, go after your dreams and keep moving toward your goals. LL Cool J
Anything you really want, you can attain, if you really go after it. Wayne W. Dyer
The fish does not go after the hook, but after the bait. Czech Proverb
If a man told you that a dog had run off with your ear, would you go after the dog or search first for your ear? Moroccan Proverb
Getting what you go after is called success, but liking it while you are getting it is called happiness. American Proverb