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callow + noun
callow 作定语时多修饰人，常含“乳臭未干、缺乏经验”的意味。
In his callow youth, he believed everything he read.
在年轻不懂事的岁月里，他相信自己读到的一切。
年轻而无经验的；幼稚的；不成熟的
先理解核心含义，再看它在真实句子里的用法。
年轻而无经验的；幼稚的；不成熟的
young and inexperienced
In his callow youth, he believed everything he read.
在年轻不懂事的岁月里，他相信自己读到的一切。
不成熟的、缺乏经验的或天真的。
Immature, inexperienced, or naive.
没有毛发的；秃的、光秃的、无毛的。
having no hair; bald, bare, hairless.
指砖:未烧制的。
Of a brick: unburnt.
指幼鸟或其身体(部分):尚未长出羽毛；无羽的、未长羽的；因此也指其他动物或其身体:没有毛皮或毛发的；无毛皮的、无毛的、无绒毛的。
Of a young bird, or (part of) its body: having not developed feathers yet; featherless, unfledged; hence, of other animals or their bodies: having no fur or hair; furless, hairless, unfurred.
The callow reporter asked the same question twice during the interview.
那位缺乏经验的记者在采访中把同一个问题问了两遍。
His callow opinion about finance changed after he worked in a bank.
他对金融的幼稚看法在去银行工作之后发生了变化。
The coach could see that the callow player still needed more training.
教练看得出，那个缺乏经验的球员还需要更多训练。
callow 作定语时多修饰人，常含“乳臭未干、缺乏经验”的意味。
In his callow youth, he believed everything he read.
在年轻不懂事的岁月里，他相信自己读到的一切。
作表语时，callow 的主语通常是人，表示“幼稚、缺乏经验”。
The new manager is still callow and needs guidance.
这位新经理还很不成熟，需要指导。
“too callow to do sth”表示“因太缺乏经验而不能做某事”，常用于批评性语境。
She was too callow to appreciate the seriousness of the situation.
她太不成熟，无法理解事态的严重性。
Not this
He was callow to her suffering.
Use this
He was callous to her suffering.
callow 意为“年轻而无经验的”，并不表示“冷酷无情的”；表达“对……冷漠无情”应用 callous。两者拼写相近，容易混淆，需根据语境区分。
Not this
He callows when he meets strangers.
Use this
He is callow when he meets strangers.
callow 是形容词，不是动词，不能直接加 -s 作谓语。描述“缺乏经验、幼稚”的状态时，应使用系动词 be 加形容词，即“He is callow”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
乳臭未干的青年；幼稚的年轻人
The novel follows a callow youth who learns about love and loss.
这部小说讲述了一个不谙世事的年轻人在爱与失去中成长的故事。
缺乏经验的新兵；新来的生手
The sergeant was patient with the callow recruits in his training platoon.
中士对他训练排里那些缺乏经验的新兵很有耐心。
青涩的青春期
Looking back at his callow adolescence, he cringed at his own arrogance.
回首自己青涩的青春期，他为当年的自以为是感到难堪。
稚嫩的政治人物，缺乏经验的政治家
The debate showed how callow the young politician still was.
这场辩论显示出这位年轻政客仍然多么稚嫩。
Use callow naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：callow 像“卡楼”，小牛(calf)在低(low)处，既年轻又没经验，羽毛未丰。仅作记忆提示，非词源。
语域：formal 常见场景：正式写作、文学叙述、评论文章 callow 意为“年轻而无经验的”，属于较正式的用词，多用于书面语或文学、评论性文字中，日常口语中较少见。
多形容年轻人缺乏经验，含轻微贬义；也可指鸟羽未丰。
Dictionary facts from ECDICT, WIKTIONARY.