cool as a cucumber

listen to the pronunciation of cool as a cucumber
İngilizce - Türkçe
{k} serinkanlı, soğukkanlı
İngilizce - İngilizce
Calm and composed even in difficult or frustrating situations; self-possessed

Even during the elections, Josh was as cool as a cucumber.

very composed, indifferent, apathetic
cool as a cucumber