- go after＝「〜を追いかける、（仕事・賞など）を求める、得ようとする」（Chase, try to get／ to follow or chase someone or something because you want to catch them／to try to get something／to try to get or obtain someone or something）
- The cat went after the pigeon, but it flew away.
- Joe went after her to make sure she was unhurt.
- I can't decide whether to go after the job or not.
- The police detectives went after the whole gang.
- The dogs went after the burglar.
- I went after the gang that took my wallet.
- The bear went after the hunters and scared them off.
- There are a lot of people going after a piece of the budget, and some of them won't get any funding.
- I know I'll never fall into the trap of going after the big bucks.
- The candidate went after his opponent in a very personal way. ※opponent：対抗者、敵