钻谋

to use influence to get what one wants / to find a way through (esp. corrupt) / to succeed by means fair or foul

variant of 鑽|钻[zuan4]

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

an auger / diamond

to plan / to seek / scheme