沈重的負擔；沈重的包袱；極大的累贅。
- Taking care of three children has been a millstone around her neck. (照顧三個小孩一直是她沈重的負擔)
- Gary is so lazy and selfish that if you let him work with us he’ll become a millstone around our neck. (蓋瑞既怠惰又自私，如果你讓他跟我們一起工作，他將成為我們沈重的包袱)
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