Definition of 這っても黒豆 (はってもくろまめ)
はくろまめ
                        這っても黒豆
はってもくろまめ
hattemokuromame
expression
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insisting one is right even after one has been proven wrong(idiom )
Related Kanji
| 這 | crawl, creep, grovel, trail (vines) | 
| 黒 | black | 
| 豆 | beans, pea, midget |