菜鸟 /càiniǎo/ angolul

greenhorn▼(inexperienced person)
noun
[UK: ˈɡriːn.hɔːn] [US: ˈɡriːn.hɔːrn]

newbie▼(new (inexperienced) user or participant)
noun
[UK: njˈuːbi] [US: nˈuːbi]

rookie [rookies]▼(inexperienced recruit in military or police)
noun
[UK: ˈrʊk.i] [US: ˈrʊk.i]