Focus on the pronunciation of flounder
English definition of “flounder”
/ˈflɑʊn·dər/ v [I] (MOVE AWKWARDLY)
› to move awkwardly or to be in an awkward or difficult situation: She floundered around in the water. He lost the next page of his speech and floundered for a few seconds. His business was flourishing, but his marriage was floundering.