Sentence:  `` Unless the oyabun has been working on it '' , he said , then checked himself and added : `` You can tell Kayabashi-san that the back road is in <WSD>very</WSD> good condition and will be quite safe for his party to use '' . 
Meaning of the word marked with <WSD> tags:  used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal