不 服 bù fú : not accept (something); want to have (something) overruled or changed; refuse to obey or comply; refuse to accept as final; remain unconvinced by; not give in to

不 見 棺 材 不 落 淚 bù jiàn guān cái bù luò lèi : not shed a tear until one sees the coffin - refuse to be convinced until one is faced with grim reality

相 信 xiāng xìn : be convinced (that something is true); believe; to accept sth. as true