back
the back of a chair

back end
back-end

back out
to back out of one's promises

be back
regressar

bite back
she bit back the words

call back
to call back one's words

choke back
to choke back one's tears

draw back
she drew back a chair

drop back
ficar para trás

fall back on
to fall back on one's savings

fight back
she fought back her tears

fine back
reduzir

fold back
to fold back the sleeves

give back
the operation gave him back his sight

gulp back
to gulp back one's tears

hand back
devolver

hit back
he hit back at the accusations

laid-back
descontraído

look back
...to look back on... / to look

pass back
devolver

pin back
pin back your ears!

plough back
reinvestir

reach back
remontar

read back
reler

refer back
to refer something back to somebody

sit back
to sit back and do nothing

stand back
stand back!

step back
to step back into...

trace back
remontar

win back
recuperar