espalda
1 (Anatomía) back
de espaldas a algo with one's back to sth; de espaldas al sentido de la marcha facing backwards; with one's back to the engine
lo mataron por la espalda he was killed from behind; atar las manos a la espalda to tie sb's hands behind his back; caer de espaldas to fall on one's back; estar de espaldas to have one's back turned; volver la espalda to turn away; to turn tail; volver la espalda a algn to cold-shoulder sb; turn one's back on sb; volverse de espaldas to turn one's back
cubrirse las espaldas to cover o.s.; cover one's own back
dar la espalda a algo/algn to turn away from sth/sb; face away from sth/sb
echar algo sobre las espaldas to take sth on; take charge of sth
hacer algo a espaldas de algn to do sth behind sb's back
tener las espaldas cubiertas to make sure; be on the safe side
espalda mojada (México) wetback