Their voices rise and fall in perfect unison.

Meaning: The young people's voices move up and down together in a way that is very good and pleasing to the ear.

Choice of Words: Voices are the sounds that people make when they speak or sing. Rise means to move or go up. Fall means to move or go down. Perfect means very good or without any faults. Unison means when two or more people sing or play the same note at the same time.

Alternative Expressions

Their voices undulate in perfect harmony.

Meaning: This means that the people are singing or speaking together and their voices are moving up and down in a wave-like pattern and sound good together. It's like when you and your friends sing a song together and your voices sound like they are one voice and sound really nice.

Choice of Words: The word voices means the sounds made by people when they speak or sing. Undulate means to move up and down in a wave-like pattern, like the waves in the ocean. Harmony means when different sounds or notes sound good together. So, when you put them all together, it means that the sounds made by the people are moving up and down in a wave-like pattern and sound good together.

Their voices soar and dip in perfect synchrony.

Meaning: This means that the people are singing or speaking together and their voices are going up high and then going down at the same time. It's like when you and your friends sing a song together and your voices sound like they are one voice and are going up and down together.

Choice of Words: The word voices means the sounds made by people when they speak or sing. Soar means to fly or rise high in the air, and dip means to go down or under something. Synchrony means happening at the same time or in the same way. So, when you put them all together, it means that the sounds made by the people are going up high and then going down at the same time.

Related Expressions