You know, I'm going to have to fight like a dog, but I think I can win.
You know, she had to fight like a dog to get that job, I don't think she's going to give it up very easily.
2. from time to time 有时
I like to drink wine from time to time, but I don't drink very often.
3. a whole different ballgame 情况大大不同，完全不同
Marriage is a whole different ballgame than dating. You'll see.
Starting up your own company is a whole different ballgame than if you work for a company.
英语散文：林中漫步 A Wal