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]
to press from either side; to place in between; to sandwich; to carry sth under armpit; wedged between; between; to intersperse; to mix; to mingle; clip; folder[cedict]