她露出一副察言观色、处处提防的表情。

Her expression was watchful and alert.

《牛津词典》

但信用卡公司并不是唯一需要被提防的对象。

Credit-card companies, though, may not be the only ones we need to be protected from.

youdao

吸血鬼是母亲警告过女儿要提防的那种男人，除了没料到他们涂了更多的眼线和唇彩之外。

He is the man her mother warned her about except with more guy-liner and lip gloss than either of them could have ever predicted.

youdao

Spinoza taking him, taking his book to be a warning to the people about the dangers of princely rule, Rousseau believing that he had deliberately disguised his love of freedom because he had to appeal to the tyrannical nature of the Medici family.

斯宾诺莎把他看作，把他的书看作是,告诫人们提防君主统治危险性的警告，卢梭认为他是故意,伪装他对自由的热爱的，因为他不得不,投合具有暴君本性的美第奇家族的口味。

耶鲁公开课 - 政治哲学导论课程节选