刨根

lit. to dig up the root / to get to the heart of (the matter)

carpenter's plane / to plane (woodwork) / to shave off / to peel (with a potato peeler etc)

to dig / to excavate / (coll.) to exclude / not to count / to deduct / to subtract

variant of 刨[bao4]

root / basis / classifier for long slender objects, e.g. cigarettes, guitar strings / CL:條|条[tiao2] / radical (chemistry)