电锤

电锤	diàn chuí	rotary hammer / hammer drill
电	diàn	lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc
锤	chuí	hammer / to hammer into shape / weight (e.g. of a steelyard or balance) / to strike with a hammer
锤	chuí	variant of 锤