We just goofed around till the train time .

在火车开车前我们只是闲荡了一阵。

Example : I really goofed on the test today .

例句：我真的搞砸了今天的考试。

He could have won the game , but the goofed up .

他本来可以赢得那场比赛的，但是他出了差错。

You 'll be fine . That 's where we goofed with the professor .

没问题的，这就是我们对教授失误的地方。

He was a bad student because he always goofed off and never paid attention .

他是个坏学生，因为他总是偷懒，上课都不专心。