Tell (someone) a thing or two
Translation of "tell (someone) a thing or two" into Russian
tell (someone) a thing or two
высказать (кому-то) пару словечек
I'm going to tell him a thing or two about how to treat people.
Я собираюсь высказать ему пару словечек о том, как следует обращаться с людьми.
Definitions
To speak to someone in a direct, often critical or corrective way, usually to express strong opinions, disapproval, or to give them a lesson about something they have done wrong.