a. 年轻而无经验的, (鸟)羽毛未丰的
[机] 无羽毛的
s young and inexperienced
1. It's possibly too callow for this crowd.
对这群人来说这段文字可能太稚嫩了
2. A callow challenge to be met by experience and skill.
经验老手遇到乳臭未干的小子
3. And no surprise it's as cheap and callow as your efforts to sabotage my admission to your alma mater.
不出所料这里廉价又幼稚 如同你妨碍我进入你母校的手段一样
以上参考资料就是本英汉词典详细汇总的单词callow的翻译英语含义，如有错漏请向我们提供反馈意见。