Correct

颠扑不破

/ diān pū bù pò / 
Strokes

Definition

solid/irrefutable/incontrovertible/indisputable/unbreakable

Example

Definition

be irrefutable/indisputable; be absolutely right; indestructible

1
Diānpūbùpò
颠扑不破
de
的
zhēnlǐ
真理

irrefutable truth