a thing or two

US /ə θɪŋ ɔr tuː/
UK /ə θɪŋ ɔr tuː/
"a thing or two" picture
1.

coś niecoś, kilka rzeczy

some things; a few things (often implying knowledge or experience)

:
I know a thing or two about cars.
Wiem coś niecoś o samochodach.
She taught him a thing or two about cooking.
Nauczyła go coś niecoś o gotowaniu.