Where is Chinese IQ? So stupid. That means:

Japanese has already got all inteligent information about chinese government stands.  Now all leaders in chinese government and their families have a tones of moneyoversea. 

all bluffs of chinese government is showoff not to Japanese but to their own people.  Japanese intelligence collected inside information that chinese government has no willing to fight with japan for the island. (Hu sloagan: everything for harmony and peace.