Cách sử dụng
'Shrewd' is an adjective that describes someone who is clever and able to make wise decisions. This word is often used to describe someone who is good at business or politics, and who can make smart deals or negotiations. For example, you could say that a successful businessman is very shrewd because he's always able to find the best deals and opportunities. It's important to use this word in appropriate contexts, and to make sure that it's not used in a negative way to describe someone who is dishonest or manipulative.