左-left
右-right
上-up, above,on,upon ,upper
下-down , below ,under
旁边-beside , at one's hand ,nearby ,aside ,sideward
里面-inner ,inside,interior ,in
左,left,右right,下down,上up,旁边beside,里面inside,
左left,右right,下down,上up,旁边beside,里面inside
left
right
under / below
on / above
beside / by / near
in
左left 右right 下beneath/below 上on/above 里面in