idioms involving “hand”

Get one's hands dirty

To do the actual work (as opposed to managing the workers)

“Tadakuma-san doesn't sit behind his desk and give orders; he gets his hands dirty.”

Lay one's hands on

To obtain something

“Sakai-san couldn't afford an MBA so she read every management textbook she could lay her hands on.”

Have one's hands full

To be very busy

“As a single mother of two children who is launching her second start-up business, Okada-san has her hands full.”

In safe hands

Protected, safe

“The museum was relieved to know that the stolen painting was in safe hands, having been found by the police.”

Out of one's hands

To be no longer in control of something

“After the two automakers merged, control of new car design was out of our hands.”