YOU SAID:
A whiny Vietnamese wannabe gangster is salt and vinegar
INTO JAPANESE
不機嫌そうなベトナム志望ギャングは塩と酢
BACK INTO ENGLISH
Cranky Viet Nam wannabe gang is salt and vinegar
INTO JAPANESE
不機嫌そうなベトナム志望ギャングは塩と酢
That didn't even make that much sense in English.