shrewd ·adjective
Definition: good at judging situations and making decisions which give you an advantage Level: C2
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.