Relentless

1.

(Harsh, pitiless, persistent, unyielding; without letup; without pity or mercy, not relenting) ដែលមិនអាចធ្វើអោយ ស្ងប់បាន, ដែលគ្មានមេត្ដា, ប្រណី
Example: Narong let no one stand in his way in his relentless drive for power.relentless enemy ដែលឥត ឈប់ឈរ, relentless beating ដែលឥតបង្អង់ដៃ

1.

Unmoved by appeals for sympathy or forgiveness; insensible to the distresses of others; destitute of tenderness; unrelenting; unyielding; unpitying; as, a prey to relentless despotism.