to advance; to conduct; underway; in progress; to do; to carry out; to carry on; to conduct; to execute[cedict]
过
guòㄍㄨㄛˋ
(experienced action marker); to cross; to go over; to pass (time); to celebrate (a holiday); to live; to get along; excessively; too-; surname Guo[cedict]
改建
gǎi jiànㄍㄞˇ ㄐㄧㄢˋ
to rebuild; to transform (a building); to refurbish[cedict]