板
上
钉
钉

Word Definition - 板上钉钉

bǎn shàng dìng dīng that clinches it; that's final; no two ways about it

Individual Character Details

板 bǎn, bǎn, pàn
上 shǎng, shàng
钉 dīng, dìng
钉 dīng, dìng