on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
next in sequence; second; the second (day, time etc); secondary; vice-; sub-; infra-; inferior quality; substandard; order; sequence; hypo- (chem., meaning extra oxygen atom); classifier for enumerated events: time[cedict]
to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to occur; to happen; classifier for dramas, plays, operas etc[cedict]