她是一位精明的政治家，懂得如何在复杂局势中周旋。

She is a ___shrewd politician who knows how to navigate complex situations.

该公司制定了一个精明的商业计划以进入新市场。

The company developed a ___shrewd business plan to enter the new market.

多年以后我才明白，我父母当初的投资是多么精明。

Only years later did I understand what a ___shrewd investment my parents had made.