This is the 2378th most frequent Chinese word.
十足
"十足" means "full," "complete," or "100 percent."
十足 here is used to describe the complete and full extent of the atmosphere of the movie, emphasizing its richness and impact.
这部电影的气氛十足，让人完全沉浸其中。
The atmosphere of this movie is full, allowing one to completely immerse in it.
十足 in this sentence conveys the idea of being completely full or overflowing, specifically with self-assurance in the context.
他的演讲充满了信心，自信十足。
His speech was filled with confidence, and he was brimming with self-assurance.
Here, 十足 is used to indicate that the product completely fulfills expectations in regards to value or quality.