pertinaciousper•ti•na•cious /ˌpɜːtɪ'neɪʃəs/

adj 正式 坚持的，顽执的，坚决的

• She was pertinacious in her resolve to study medicine. 她下定决心非要学医不可。

• a pertinacious beggar 死乞白赖的乞丐

–pertinaciously adv –pertinacity /-'næsɪtɪ/ n U