stiffenKK [ˋstɪfən] /ˈstɪfən/發音動詞1僵住、繃緊、變僵硬She stiffened when she heard footsteps behind her.她聽到身後有腳步聲時整個人僵住了。2使變硬、變硬、硬化The glue stiffens the fabric so it holds its shape.膠水讓布料變硬,因此能維持形狀。3加強、強化、使更強硬The government plans to stiffen penalties for drunk driving.政府打算加重酒駕的罰則。4變濃稠、變稠多指食物Keep whisking until the cream stiffens into soft peaks.持續攪拌到鮮奶油變稠並出現小尖角。