He is a greenhorn in this field.他在这个领域还是个新手。Ha ! Ha ! You're a proper greenhorn, aren't you!哈哈, 你真是少见多怪!That greenhorn is still wet behind the ears.那个生手毫无经验....

n.无经验易受骗的人，涉世不深的人，不经事...

greenhorn的音标：greenhorn的英式发音音标为：['gri:nhɔ:n]greenhorn的美式发音音标为：['grinhɔrn]...