YOU SAID:
Bernie Sanders is a niggardly coward.
INTO JAPANESE
バーニー・サンダースは気の利いた臆病者です。
BACK INTO ENGLISH
Bernie Sanders is a good-natured coward.
INTO JAPANESE
バーニー・サンダースは気さくな臆病者です。
BACK INTO ENGLISH
Bernie Sanders is a good-natured coward.
That didn't even make that much sense in English.