You find a baby face in an adult, Leonardo DiCaprio, to be particularly naive, helpless, kind and warm.

你在成年人中发现了娃娃脸，莱昂纳多·迪卡普里奥，特别天真，无助，善良，温暖。

耶鲁公开课 - 心理学导论课程节选

Now you the smart human with just gut instincts probably would not be so naive as to start from the left and work your way forward.

但你们都是聪明人,不会傻到,从最左边开始一页一页往后找。

哈佛公开课 - 计算机科学课程节选

Suppose you are a naive investor and you say, okay I'm going to invest in companies' paper, which is their promise to pay --their IOU.

假如你是一个菜鸟投资者,想投资于这些公司的债券,债券就是他们的偿还凭证或者说欠条

耶鲁公开课 - 金融市场课程节选

The way this works is, you start out, you don't know anything, and you're naive.

方法是这样的,开始的时候,你一无所知,这样你就是天真的

耶鲁公开课 - 古希腊历史简介课程节选

Now to many of you this may sound naive, idealistic.

现在对于你们许多人这种方式似乎很天真，很理想主义。

哈佛公开课 - 幸福课课程节选