板上钉钉

See also: 板上釘釘

Chinese

For pronunciation and definitions of 板上钉钉 – see 板上釘釘 (“to nail nails into a plank; sure; certain; without a doubt”). (This term is the simplified form of 板上釘釘).

Notes: Simplified Chinese is mainly used in Mainland China, Malaysia, and Singapore. Traditional Chinese is mainly used in Hong Kong, Macau, and Taiwan.