Empty talk
Empty talk, Chinese idiom, Pinyin is k à NGT á Nku à iy à, meaning to talk freely, but do not put into action, just for oral pleasure. From Mao Zedong's on protracted war.
explain
Pleasure: make the heart feel good. Talk freely, but do not put into action, just for the sake of oral pleasure.
source
Mao Zedong's "on protracted war": "or just empty talk, not ready to really do it."
usage
I have a headache
Empty talk
an old cow pulling a rickety cart - lǎo niú pò chē