talk up
US /tɔːk ʌp/
UK /tɔːk ʌp/

1.
zachwalać, rozgłaszać
to discuss something in an enthusiastic or positive way in order to persuade people that it is good or important
:
•
The company is trying to talk up its new product.
Firma próbuje zachwalać swój nowy produkt.
•
He always talks up his achievements.
Zawsze zachwala swoje osiągnięcia.