YOU SAID:
hello and welcome to the party. please be quiet because our neighbors are sleeping.
INTO JAPANESE
こんにちは、パーティーへようこそ。隣人が寝ているので静かにしてください。
BACK INTO ENGLISH
Hello, welcome to the party. Please keep quiet as the neighbor is sleeping.
INTO JAPANESE
こんにちは、パーティーへようこそ。隣人が寝ている間は静かにしてください。
BACK INTO ENGLISH
Hello, welcome to the party. Please keep quiet while the neighbor is sleeping.
INTO JAPANESE
こんにちは、パーティーへようこそ。隣人が寝ている間は静かにしておいてください。
BACK INTO ENGLISH
Hello, welcome to the party. Please keep quiet while the neighbor is sleeping.
That didn't even make that much sense in English.