Blue bird sings happy song.

Meaning: A bird with blue feathers is making a cheerful tune.

Choice of Words: Blue is a color. Bird is a creature that has wings and can fly. Sings means to make pleasant sounds with your voice. Happy means feeling pleased and contented. Song is a piece of music sung by a person or a bird.

Alternative Expressions

The blue bird is singing a happy song.

Meaning: This means that a specific blue-colored bird is singing a song that expresses happiness. It's like saying, The particular bird that is blue is making a cheerful sound.

Choice of Words: The is an article that refers to a specific bird, blue is a color that describes the bird, bird is a noun that refers to a flying animal with feathers, is is a verb that means to exist or to be in a certain state, singing is a verb that means to make a musical sound, and happy is an adjective that describes a feeling of joy or pleasure. Song is a noun that refers to a series of musical sounds.

A blue bird with a cheerful voice sings a happy song.

Meaning: This means that any blue-colored bird that has a cheerful voice is singing a song that expresses happiness. It's like saying, Any bird that is blue and has a happy sound is making a cheerful sound.

Choice of Words: A is an article that refers to any bird, blue is a color that describes the bird, bird is a noun that refers to a flying animal with feathers, with is a preposition that means together with or in the company of, cheerful is an adjective that describes a feeling of joy or pleasure, voice is a noun that refers to the sound that a person or animal makes, sings is a verb that means to make a musical sound, and happy is an adjective that describes a feeling of joy or pleasure. Song is a noun that refers to a series of musical sounds.

Related Expressions