-----------------------------------
を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
-----------------------------------
相手にする， あいてにする
1. to keep company, to listen to, to associate with, to take notice of, to deal with
2. to play against (e.g. a team), to take on (e.g. a rival)
tbd