Dictionary

[ˈtelɪŋ] adj.

1. a telling argument / criticism ដ៏​ស័ក្តិ​សិទ្ធិ, ដំណំ.
2. He gave her a telling glance ដែល​បញ្ចេញ​ឲ្យ​ដឹង.

Word Family: tellingly adv.