From Japanese-German FreeDict Dictionary ver. 0.2.0:
[ichi1] [news1] [nf08] 境 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 界 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] [news1] [nf08] さかい /säkˈäi/, (境) きょう /kʲˈo̞ɯᵝ/
(noun (common) (futsuumeishi))
(usu. さかい)
(1) (f) Grenze, (2) (m) Ort, (f) Stelle, (m) Platz, (3) (m) Zustand, (f) Situation, (4) (n) Stadium, Sakai, (1) (f) Grenze, (f) Grenzlinie, (2) (f) Trennlinie, (3) (m) Ort, (f) Stelle, (m) Platz, (4) (m) Umstände, (f) Lage, (f) Situation
From Japanese-German FreeDict Dictionary ver. 0.2.0:
界 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, かい /kˈäi/
(noun (common) (futsuumeishi))
[biology term] (1) (n) Reich, (n) Regnum, (2) (n) Ärathem, (f) Schicht eines Erdzeitalters, (3) (f) Grenze, (4) (m) Bereich, (m) Bezirk