The dog barked loudly at the passing stranger.
Meaning: This means that the dog saw someone it didn't know and started barking loudly.
Choice of Words: Bark means to make a loud, sharp sound with the mouth, as a dog does. Loudly means making a lot of noise. Passing means moving by or across a place. Stranger is a person who is not known or familiar to someone. When you put them together, "dog barked loudly at the passing stranger" describes the common scenario of a dog barking at someone it doesn't recognize.
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Related Expressions