1. A narrative or plot that is difficult to follow, ambiguous, or not clearly explained
The movie suffered from an unclear storyline that left audiences confused.
O filme sofria com uma trama confusa que deixou o público confundido.
2. A sequence of events in a story that lacks coherence or logical progression
Critics complained about the unclear storyline in the novel's second half.
Os críticos reclamaram da trama confusa na segunda metade do romance.