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]
跳
tiàoㄊㄧㄠˋ
jump; hop; skip (a grade); to leap; to bounce; to beat[cedict]
减少
jiǎn shǎoㄐㄧㄢˇ ㄕㄠˇ
to lessen; to decrease; to reduce; to lower[cedict]