"Lass es dir schmecken" means "enjoy your food/meal".
Lass es dir schmecken.Guten Appetit!
Geht es Dir gut? Bist Du ok?
Kannst sie Dir abholen can be tanslated as:You can get themYou can collect themYou can pick them up
Wie geht es Dir/Ihnen
dir = you (dative case)
Nachricht von dir.
Mit Dir Reden
Do as you are told translates as tue was man Dir sagt or tue was ich Dir sage.
'I want to be with you' is 'Ich will mit dir sein' in German. It would be more romantic to say 'Ich will bei dir sein' which means 'I want to be near you'.
its wie geht es dir
How are you? is wie geht es dir? or simply wie geht's? in German
Yes I trust you in German is Ja, ich vertraue Dir.