YOU SAID:

The the people came with their hands up yelling "suprise."

INTO JAPANESE

人々は手を上げて「びっくり」と叫んだ。

BACK INTO ENGLISH

People raised their hands and shouted, "Surprise!"

INTO JAPANESE

人々は手を挙げて「サプライズ！」と叫びました。

BACK INTO ENGLISH

People raised their hands and shouted, "Surprise!"