In recent times China has called Australia sick for several reasons; it called for an independent inquiry in to covid 19 in Wuhan, it objected to the treatment of Uyghurs, it offered Hong Kong dissidents residency, it objected to Chinese tariffs and import restrictions on various Australian goods, and it supports Taiwan. In other words it doesn't swallow the Chinese rhetoric on one China, on the south China sea and other Chinese actions. Australia hasn't retaliated to Chinese provocations and hasn't bowed down, and so it is described as sick, Yes we are sick, sick of Chinese bullshlt, sick of Chinese bullying, sick of Chinese arrogance. Their method of government is anathema to us, their method of communication is anathema to us so we say this to China and any other nation that doesn't like our ways, get over it. Tearing down tall poppies is a national pasttime and you're next