surely; certainly; necessarily; fixed; a certain (extent etc); given; particular[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
上
shàngㄕㄤˋ
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]