The president maintained a death grip on power, refusing to step down.
Президент держался за власть как за смертельную хватку, отказываясь уйти в отставку.
Definitions
A very tight or intense hold or grasp, often implying that it is difficult or impossible to break free from. It can be used literally (such as someone holding onto something with extreme force) or figuratively (such as a situation or emotion that is hard to escape).