「大破大立」

(pos:語句)
<explanation>
yue:徹底打破舊有規範、制度或者觀念，然後建立全新一套
eng:to break down the old norms, system, or concept, and build anew
<eg>
yue:有時候大破大立係必要嘅──唔破舊，點立新呢？ (jau5 si4 hau6 daai6 po3 daai6 laap6 hai6 bit1 jiu3 ge3, m4 po3 gau6, dim2 laap6 san1 ne1?)
eng:Sometimes drastic change is necessary—you can’t build something new without tearing down the old.