Go after (Short video)

The phrase of the day is: "Go after (sone/sth)"

• To follow or chase someone or something because you want to catch them.
  [ --- You'd better go after her and tell her you’re sorry. --- ]
  
• To try to get something, such as a new job, a business contract etc (that other people are also competing for).
  [ --- It would be dangerous to go after the killer on your own. --- ]