英和和英

bounce back

swing back

reel back

to lean back

the backward tilt

to be daunted

to be discouraged―be daunted

drag behind

brought back

backwards

spring back

spring back

spring back

bending backwards tautly

an upset bottle

to push back

swing back and forth

the posture of a hunchbacked person

stand back

to make a person or an animal carry something on his/her/its back

to bow

massage one's back

having a stiff back

One's body becomes bent.

to become bent （with age）

to twist at the waist

the broad of the back

of a person, to carry another person on their back

subluxate the hip

to turn one's back on something or someone