week 43, 2021
käydä kiivaana = to become heated, to heat up, in a metaphorical sense, such as a topic, conversation, sales, etc.
Keskustelu kävi kiivaana. = The conversation became heated.
Mökkikauppa kävi alkuvuonna kiivaana, hinnat kipusivat yli 20 prosenttia. = Cottage-sales (the "mökki" market) heated up during the start of the year, prices soared by over 20 percent.