YOU SAID:
I want a slice of cheese
INTO JAPANESE
チーズのスライスをしたいです。
BACK INTO ENGLISH
I'd like a slice of cheese.
INTO JAPANESE
チーズのスライスを下さい!
BACK INTO ENGLISH
I'd like a slice of cheese, please.
INTO JAPANESE
チーズのスライスを下さい!
BACK INTO ENGLISH
I'd like a slice of cheese, please.
That didn't even make that much sense in English.