use one thing for many purposes / work someone hard

chu shogi (Japanese chess variant played on a 12×12 board)

singles (in tennis)

to use one's head

Alternative form of 物置

leave alone

deserting a place and leaving others behind; desertion

(archaic, obsolete) to seem difficult to distinguish / (archaic, obsolete) to forget or lose sight of

kanji that is not read in the kanbun kundoku (漢文訓読) process

(idiomatic) to take one's hat off; to acknowledge another's superiority