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lift / use a dumbbell / dumbbells
作为健身器械时，常用复数指代一般性的练习。
She lifted a dumbbell with her right hand.
她用右手举起一个哑铃。
哑铃
先理解核心含义，再看它在真实句子里的用法。
哑铃
a piece of exercise equipment made of two heavy weights connected by a short bar
She lifted a dumbbell with her right hand.
她用右手举起一个哑铃。
哑铃
A weight training implement consisting of a short bar with weight counterpoised on each end.
She lifted a dumbbell in each hand and began her morning workout.
她双手各举起一只哑铃，开始早晨的锻炼。
You can do bicep curls with a pair of dumbbells at home.
你可以用一对哑铃在家里做二头肌弯举。
He bought a set of dumbbells for his home gym.
他买了一组哑铃放在家里的健身房。
作为健身器械时，常用复数指代一般性的练习。
She lifted a dumbbell with her right hand.
她用右手举起一个哑铃。
dumbbell 作为俚语意为“傻瓜”，语气较轻，常用于朋友间玩笑。
Don't call him a dumbbell just because he made a mistake.
别因为他犯了个错就叫他笨蛋。
哑铃通常成对使用，用“a pair of”表示一副。
He bought a pair of dumbbells for home workouts.
他买了一对哑铃用于在家锻炼。
Not this
I bought two dumbbell.
Use this
I bought two dumbbells.
哑铃是可数名词，复数需要加 -s。
Not this
He is very dumbbell.
Use this
He is a dumbbell.
dumbbell 在此表示‘傻瓜’，是一个名词，不能直接跟在系动词后作形容词。正确的用法是前面加冠词 a。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
举哑铃
He lifts dumbbells every morning to build arm strength.
他每天早上举哑铃来锻炼手臂力量。
哑铃推举
The dumbbell press is a great exercise for the chest.
哑铃推举是锻炼胸部的极好动作。
哑铃弯举
Do three sets of dumbbell curls for your biceps.
做三组哑铃弯举来锻炼二头肌。
一对哑铃
She bought a pair of dumbbells for home training.
她买了一对哑铃在家训练。
哑铃训练
This dumbbell workout targets your whole body.
这套哑铃训练锻炼全身。
哑铃练习
Dumbbell exercises can improve strength and balance.
哑铃练习可以增强力量和平衡能力。
Use dumbbell naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
dumbbell = dumb（笨）+ bell（铃），哑铃长得像铃铛；举不动时别觉得自己笨。
语域：neutral 常见场景：健身、力量训练 该词义通常用于健身或运动场景，语气中立，书面和口语中都常见。
bell 的发音与 dumbbell 中 -bell 的读音相同（/bel/）；well、spell 共享末尾 -ell 的 /el/ 音。但这些词都不与 dumbbell 整词押韵，因为 dumbbell 的重音在第一个音节 /ˈdʌm.../，押韵应从重读元音开始。dumb、thumb、crumb 中 mb 的 b 均不发音，分别读 /dʌm/、/θʌm/、/krʌm/，不要按拼读成 /dʌmb/。注意 dumbbell 不是 /ˈdʌmb.bel/，而是 /ˈdʌm.bel/。
Dictionary facts from ECDICT, WIKTIONARY.