弓背

to hunch over / to stoop / to arch one's back (upward)

a bow (weapon) / CL:張|张[zhang1] / to bend / to arch (one's back etc)

variant of 背[bei1]

to be burdened / to carry on the back or shoulder

the back of a body or object / to turn one's back / to hide something from / to learn by heart / to recite from memory / unlucky (slang) / hard of hearing