retroiri

Sed al la restantoj sur la koloniata planedo... ĉio ŝajnas tre normala, krom ke ili subite retroiras je 60 jaroj.

But to those on the planet being colonized... everything would seem to be perfectly normal... except that their present time wouldbe that of 60 years ago.

Mi ne retroiras.

I'm not backing out.

Li retroiris fronte al danĝero.

He shrank back in the face of danger.

Mi ne retroiros.

I won't go back.