to visit someone casually and without an appointment
jemanden spontan und ohne Termin besuchen (jemanden spontan und ohne termin besuchen)
"We decided to drop in on our cousins while passing through their town."
"Wir haben beschlossen, unsere Cousinen zu drop in on, während wir durch ihre Stadt fuhren." (wir haben beschlossen, unsere cousins zu **drop in on**, während wir durch ihre stadt fuhren)
to be full of a strong emotion like happiness or excitement
to keep something valuable like hope or belief
to fall in love with someone; to be strongly attracted to so...
to do what one has committed to do
to stay strong and persistent during hard times
to pay attention to improving yourself