Correct 挠曲 / náoqū / Strokes Definition to bend/flexing/deflection Example As a Noun bending; flex; flexion; flexure 1 Náo 挠 qū miàn 曲面 Copy Pinyin Sentence deflection surface As an Adjective curved; twisted; bent; bending 2 Náo 挠 qū xiàn 曲线 Copy Pinyin Sentence twisted curve 3 Náo 挠 qū jué 曲角 Copy Pinyin Sentence bending angle