kōng dòng wú wù
empty cave, nothing there (idiom); devoid of substance
nothing new to show
tiān dī Wú Chǔ , yǎn kōng wú wù
the sky hangs low over the Yangtze, empty as far as the eye can see (idiom); nothing to see to the broad horizon
tiān dī Wú Chǔ , yǎn kōng wú wù
the sky hangs low over the Yangtze, empty as far as the eye can see (idiom); nothing to see to the broad horizon
yán zhī wú wù
(of a writing etc) to have no substance (idiom)
to carry no weight