a device for turning or rotating

a person with eccentric views or behaviors

पागल

English Usage: He's a real crank when it comes to politics.

Hindi Usage: वह राजनीति के मामले में सच में एक पागल है।

to turn a crank

to increase or intensify

बढ़ाना

English Usage: She cranked up the volume on the speakers.

Hindi Usage: उसने स्पीकर की मात्रा बढ़ा दी।