国境を越えて友人ができた

N3 国境 kokkyou national border, frontier N3 友人 yuujin friend, formal friend

N5 国 koku / kuni country, pays, país N2 境 kyou, kei / sakai boundary, border, region N3 越 etsu, otsu / ko.su, -ko.su, -go.shi, ko.eru, -go.e surpass, cross over, move to N5 友 yuu / tomo friend, ami, amigo N5 人 jin, nin / hito, -ri, -to person, être humain, personne

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context