The cat's ears perked up at the sound.

Meaning: The cat lifted its ears because it heard something.

Choice of Words: Perk up means to raise or become erect, while sound refers to something that can be heard. The cat's perked-up ears indicate it is paying attention to a particular sound.

Alternative Expressions

The cat's ears perked up at the sound.

Meaning: This means the cat heard something and its ears went up to listen better.

Choice of Words: Ears are the hearing parts on the head of a cat. Perked means to lift up or become more upright. Sound is what we hear. When you put them together, "The cat's ears perked up at the sound" means the cat's ears lifted up because it heard a sound.

The cat's ears twitched at the noise.

Meaning: This means the cat heard something and its ears moved quickly to listen better.

Choice of Words: Twitched means to move quickly and slightly. Noise is a sound that is often unwanted or unpleasant. When you put them together, "The cat's ears twitched at the noise" means the cat's ears moved quickly and slightly because it heard a noise.

The cat's ears stood up at the sound.

Meaning: This means the cat heard something and its ears went up to listen better.

Choice of Words: Stood means to be in an upright position. When you put it together with ears and sound, it means the cat's ears became upright when it heard a sound.

Related Expressions