菜鸟用英文怎么说简写

"菜鸟"在英语中常用简写为"noob"。

"noob" 是由 "newbie" (新手)缩写而来，是一种对新手的不尊重或嘲弄的说法。

例句:

He's a noob, he just started playing the game. (他是个菜鸟，才刚开始玩这个游戏。)
Don't be such a noob and ask for help. (不要像个菜鸟一样不求人。)
The noob made a mistake and lost the game. (菜鸟犯了个错误，输了游戏。)