take a firm grip on
take a firm grip on (someone or something)
1. Literally, to seize or take hold of someone or something with a very tight grasp. The bouncer took a firm grip on me and led me out of the club. I took a firm grip on the wheel to keep the boat on course during the storm.
2. To gain or exercise tight control over someone or something. After her predecessor allowed the company to wallow in mediocrity for nearly 10 years, the new CEO took a firm grip on the business and steered it to unimaginable success. You need to take a firm grip on this new recruit. He's got talent, sure, but he's reckless!
take a firm grip on someone or something
1. Lit. to grasp someone or something tightly. The police officer took a firm grip on Fred and led him to the squad car. Mary took a firm grip on the handle and pulled hard.
2. Fig. to gain control of someone or something. You will have to take a firm grip on Andrew. He has a mind of his own. Someone needs to take a firm grip on this department and get it organized.