YOU SAID:
I like to have big cups iny belly
INTO JAPANESE
腹が大きいカップが好きです
BACK INTO ENGLISH
I like big cups
INTO JAPANESE
私は大きなカップが好きです
BACK INTO ENGLISH
I like big cup
INTO JAPANESE
大きなカップが好き
BACK INTO ENGLISH
I like big cups
INTO JAPANESE
私は大きなカップが好きです
BACK INTO ENGLISH
I like big cup
INTO JAPANESE
大きなカップが好き
it is unlikely that this phrase will ever reach equilibrium