無孔不鑽

lit. leave no hole undrilled (idiom); to latch on to every opportunity

not to have / no / none / not / to lack / un- / -less

surname Kong

hole / CL:個|个[ge4] / classifier for cave dwellings

no; not so / (bound form) not; un-

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