釜底抽薪 (fu2 dai2 cau1 san1) — take away the firewood from under the cauldron in Cantonese
fuˊ²釜daiˊ²底cauˉ¹抽sanˉ¹薪Mandarin Pinyin: fu3 di3 chou1 xin1
Meaning of 釜底抽薪
nountake away the firewood from under the cauldron
nounstrike at the root (of); attack a problem at its source; take away fuel, take away flame