greenhorns

A "green hand" is fresh and inexperienced, and "green horns" are na? ve, easily deceived, and unfamiliar with the ways of a place or group.

“greenhand”是没经验的新手；“greenhorns”是幼稚、易受欺骗的人，对某处或某一群体还未熟悉。

He was warned not to hire any more greenhorns as clerks.

有人提醒他别再雇佣生手当职员了。