1. inside; interior
とにかく、中に入ってもらおう。Anyway, let's have them come inside.
2. among; within
子どもたちの中に、あの少年の姿はない。Among the children, there is no sign of that boy.
3. middle; center; centre
4. during; while; middle; midst; amid
だが、本物の探索者は、戦闘の中でこそ成長するもの。However, true explorers are those who grow through combat.
5. interval; gap
6. mean; average
7. second (of three, e.g. sons, volumes); middle
8. medium grade; medium quality
9. red-light district