YOU SAID:
I would like some cheese cake.
INTO JAPANESE
チーズケーキが欲しいのですが。
BACK INTO ENGLISH
I'd like cheesecake.
INTO JAPANESE
チーズケーキが欲しいです。
BACK INTO ENGLISH
I want cheesecake.
INTO JAPANESE
チーズケーキが欲しい。
BACK INTO ENGLISH
I want cheesecake.
Come on, you can do better than that.