"Don't stop now, we will keep him / keep it going"
"Pour maintenant" means "for now".
Maintenant means 'now'
The word 'maintenant' is an adverb. Its meaning is now. But it also may mean nowadays, today.
Let's go
Work
"où allons-nous trainer" means "where are we going to loiter / to wander?"
Let's go.
Perhaps do you mean 'maintenant ne me remerciez pas' which means 'now, don't thank me'
je dois aller (quelque part) maintenant : I must go (somewhere) nowje dois m'en aller maintenant: I have to leave now, I must go now
"Let's go, (my) kids/children."
it means "you now" or you right now
Allons-y is a way of saying "Let's go!" in French.