Thunder roars loudly.

Meaning: This means that thunder is making a loud noise. It's like saying, The loud noise that follows a flash of lightning in the sky is very loud.

Choice of Words: Thunder refers to a loud noise that follows a flash of lightning in the sky. Roars means to make a loud, deep, prolonged sound. Loudly means with a high volume or intensity. So, the sentence refers to thunder making a loud, deep, prolonged sound.

Alternative Expressions

The sky booms with thunder.

Meaning: This means that the thunder is making the sky rumble and shake. It's like saying, The sky is making a loud noise because of the thunder.

Choice of Words: Sky is the big blue space above us. Booms means to make a loud, deep sound. Thunder is the loud noise we hear when lightning strikes. When we put these words together, we get a picture of the sky making a loud, rumbling noise because of thunder.

Lightning flashes across the sky.

Meaning: This means that we can see lightning moving quickly across the sky. It's like saying, We can see lightning moving from one side of the sky to the other.

Choice of Words: Lightning is the bright flash of light we see when electricity moves through the sky. Flashes means to appear suddenly for a short time. Across means from one side to the other. Sky is the big blue space above us. When we put these words together, we get a picture of lightning quickly appearing and disappearing in the sky.

Related Expressions