Vocabulary consisting only from characters you are able to read
工事
koudži
stavba, přestavba, údržba (silnic), výstavba, stavební práceleda1
商売
šoubai
trade, business, commerce, transaction, occupationjlpt3, suru
内
uči
(1)inside/within/ (2)while/ (3)among/amongst/between/(pn,adj-no) (4)we (referring to one's in-group, i.e. company, etc.)/our/ (5)my spouse/(n) (6)(arch) imperial palace grounds/ (7)(arch) emperor/( adj, jlpt4, leda1