in; on; at (place); as for; regarding
after a while; a little while later; shortly afterward; after a brief interval
after a while; a little while later; shortly afterward; after a brief interval
leaving somebody behind; abandoning someone; marooning someone
leaving somebody behind; abandoning someone; marooning someone
intermittently; at intervals (of); after a pause
now; at this time; as such; for this reason; hence
intermittently; at intervals (of); after a pause