to become more willing to accept or consider new ideas, cultures, or people
新しいアイデア、文化、または人々を受け入れたり、考慮したりする意欲が高くなること (atarashī aidea, bunka, mata wa hitobito o ukeire tari, kōryo shitari suru iyoku ga takaku naru koto)
"As globalization spread, many countries began to open up to cultural exchange."
"グローバリゼーションが広がるにつれて、多くの国々が文化交流に対してopen up toし始めました。" (Gurōbarizēshon ga hirogaru ni tsurete, ōku no kuniguni ga bunka kōryū ni taishite open up to shi hajimemashita.)
to express an opinion openly and boldly
to tend to support or prefer one suggestion over another
to stay somewhere doing nothing while waiting for something
to take responsibility or initiative; to rise to a challenge
to spend a lot of time with a particular group of people
to suddenly begin to express a strong emotion such as laught...