flounder through something
1. Lit. to struggle through something, such as a mire, swamp, etc. The Jeep floundered through the swamp without getting stuck. The horse floundered through the muddy field.
2. Fig. to struggle awkwardly through a difficult situation. We floundered through the performance. I don't know how we did it, but we did it. We just floundered through our presentation, hoping for a lot of questions.
See also: flounder