
好词典

源自16世纪英语,原指无铃舌的哑铃(dumb + bell),因其无声而得名,后引申为健身器材和俚语。
❶ 一种用于力量训练的健身器材,通常由两个重量块和中间的握柄组成,用于举重或肌肉锻炼。
“He lifted the dumbbells to strengthen his arms.”
(他举起哑铃来增强手臂力量。)
“She uses 5kg dumbbells for her daily workout.”
(她每天用5公斤的哑铃锻炼。)
❶ 俚语中用来形容愚蠢或迟钝的人,带有贬义。
“Don't be such a dumbbell—think before you act!”
(别这么蠢,做事前动动脑子!)
“He called his friend a dumbbell for forgetting the keys.”
(他因为朋友忘了钥匙而骂他笨蛋。)
adjustable dumbbell — 可调节重量的哑铃,通过增减内部配重块改变总重量,适合多种训练需求。
“He bought an adjustable dumbbell set to save space at home.”
(他买了可调节哑铃套装,节省家里的空间。)
dumbbell press — 一种健身动作,平躺或坐姿时用哑铃进行推举,主要锻炼胸肌和肩部。
“She does dumbbell presses three times a week to build her chest muscles.”
(她每周做三次哑铃卧推来锻炼胸肌。)