dar marcha atrás bedeutet auf Englisch

back [backed, backing, backs]▼(to go in the reverse direction)
verb
[UK: ˈbæk] [US: ˈbæk]

back out▼(to withdraw from something one has promised to do)
verb
[UK: ˈbæk ˈaʊt] [US: ˈbæk ˈaʊt]