电钻

电钻	diàn zuàn	electric 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
钻	zuàn	variant of 钻
钻	zuān	to drill / to bore / to get into / to make one's way into / to enter (a hole) / to thread one's way through / to study intensively / to dig into / to curry favor for personal gain
钻	zuàn	drill; auger / diamond