You'd better watch your step or you'll get into trouble again.

你最好留点儿神， 免得再惹麻烦。

Nice talking to you. See you around.

和你谈得很愉快。 回头见。

Don't go into hysterics.

不要歇斯底里。

It's just one of those things.

这样的事情总是难免的。

Keep trying! don't give up the ship.

继续努力！ 别轻易放弃！

Don't be too sure.

别那么肯定。