to hit, strike, or tap; to beat a drum; to rap on a door or surface

bone; the hard tissue that forms the skeleton of humans and vertebrate animals

to strip away or take by force; to exploit (as in 剥削 bō​xuē or 剥夺 bō​duó)

(bound form) bone marrow; tissue in the center of certain organs such as the spinal cord; pith or central tissue in plant stems