to make small adjustments in an experimental way
вносить небольшие изменения в экспериментальном порядке (vnosit' nebol'shie izmeneniya v eksperimental'nom poryadke)
"We tinker around with the app design after each user interview."
"Мы вносим небольшие изменения в дизайн приложения после каждого интервью с пользователем." (my vnosim nebol'shie izmeneniya v dizajn prilozheniya posle kazhdogo interv'yu s pol'zovatelem)
to chase someone or something
to gradually remove limitations on trade
to encourage people to stay motivated about shared targets
to visit briefly to see if someone is fine
to move toward higher levels or bigger markets
to give a big, happy smile to someone
