英和和英

out of sync

in sync

swing back and forth

drawn back and in

outward and back

move back and forward

synchronism

going and returning

go for and bring back

downward and forward

turned inside out and resewn

go back and forth

the condition of being back to back

fall backwards and down

move back and away from

get back in touch

turn over and fall

convert back

swing back

in synchrony

an act of advancing and retreating

Come and go

Going and coming

front and back of surfaces, etc

preparation and review

the state of going and returning

a cycle of reprisal and retaliation

to wrestle with a dictionary

clock synchronizer

the acts of being obedient and disobedient