rookie

菜鸟、新手、生手口语

He's still a rookie, so be patient with his mistakes.

他还是个菜鸟，对他的错误请多点耐心。

新秀、一年级新人体育

The rookie scored twenty points in his first game.

这名新秀在首场比赛就拿下二十分。

新手的、菜鸟级的限定用法

Forgetting to back up the file was a rookie mistake.

忘了备份档案是个新手才会犯的错。