millstone
n
1 either of a pair of flat circular stones between which grain is ground 磨石; 磨盘.
2 (idm 习语) a millstone round one's/sb's `neck heavy burden or responsibility 沉重的负担或责任
My debts were like a millstone round my neck. 我欠的债像是在脖子上套著个磨盘.
🗣️ 情景例句
After sending investigators to the scene we can now confirm that it was the result of an accidental fire.