YOU SAID:
Must have a cup of tea
INTO JAPANESE
お茶のカップを持っている必要があります。
BACK INTO ENGLISH
You should have a cup of tea.
INTO JAPANESE
紅茶のカップが必要です。
BACK INTO ENGLISH
The Tea Cup is required.
INTO JAPANESE
お茶のカップが必要です。
BACK INTO ENGLISH
The Tea Cup is required.
That didn't even make that much sense in English.