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]
at once; right away; only; just (emphasis); as early as; already; as soon as; right away; then; in that case; as many as; even if; to approach; to move towards; to undertake; to engage in; to suffer; subjected to; to accomplish; to take advantage of; to g[cedict]
all split up and in pieces (成语 saw); disunity (in an organization); complete lack of unity; to disintegrate; falling apart; to be at sixes and sevens[cedict]