执拗,顽固,顽强
Pertinacity \Per`ti*nac"i*ty\, n. [Cf. F. pertinacit['e].] The quality or state of being pertinacious; obstinacy; perseverance; persistency. --Macaulay. Syn: See {Obstinacy}.
pertinacity n : persistent determination [syn: {doggedness}, {perseverance}, {persistence}, {persistency}, {tenacity}, {tenaciousness}]