ไม่เห็นโลงศพไม่หลั่งน้ำตา

Etymology
🇰🇲; literally "[in so far as you] do not see a coffin, [you] shed no tear". Compare and.

Verb

 * 1)  to refuse to accept one's defeat or refuse to give up or yield until one is faced with the grim reality, signifying stubbornness.