柯林斯詞典flex /fl?ks/ (flexing,flexed,flexes) 1. V-T If you flex your muscles or parts of your body, you bend, move, or stretch them for a short time in order to exercise them. 屈伸 (肌肉或身躰某部分) He slowly flexed his muscles and tried to stand. 他緩慢地活動了一下肌肉，想站起來。2. N-VAR A flex is an electric cable containing two or more wires that is connected to an electrical appliance. (電器用的) 花線[英國英語] 3. to flex your muscles→see muscle 返回 flex劍橋詞典to bend an arm , leg , etc. or tighten a muscle 活動（手臂、腿等）；使（肌肉）繃緊 First, straighten your legs , then flex your feet . 首先，伸直雙腿，接著活動雙腳。 He tried to impress me by flexing his huge muscles . 他繃緊他那些大塊的肌肉，想吸引我注意他。 習語flex your muscles 返回 flex