_clearly when giving a speech. You will be misunderstood if you slur your speech or_

Explanation

In this context, "enunciate" means to pronounce words clearly and distinctly, ensuring that each word is articulated properly during speech delivery. "Mumble," on the other hand, refers to speaking indistinctly or in a low voice, often making it difficult for listeners to understand. The sentence advises speaking clearly and avoiding mumbling to prevent misunderstandings during speech delivery.