1She was a shrewd investor who consistently made wise decisions about her portfolio.
2Is it shrewd to invest in a company that has not yet shown a profit?
3The politician's shrewd tactics allowed her to outmaneuver her opponents and win the election.
4Try to be shrewd when negotiating a salary for your new job; don't be afraid to ask for more.
5The company's shrewd marketing strategy helped them to corner the market and increase their sales significantly.