A millstone around one's neck noun phrase
Around or round can be both used in this phrase without changing the meaning.
If someone or something is a millstone around your neck, you consider them as a big problem, a heavy load or a significant obstacle that you cannot escape from.
Mom raised you and helped you pay for college, and now you consider her as a millstone around your neck after getting a job.
After speaking to my friends, I realized that I had a lot on my plate, which had become a millstone around my neck.
I feel writing is a millstone around my neck.
This idiom is often used to express that you should accept an unpleasant situation or event because you cannot change it.
Once something has been done, you can do nothing but face the consequences.
This idiom comes from the New Testament in the Holy Bible. The literal hanging of a millstone about the neck is mentioned as a punishment in Matthew 18:6, causing the miscreant to be drowned. Its present figurative use was first recorded in a history of the Quakers (c. 1720).
Used to allude that the last force, problem or burden which is seemingly minor and small causes a person, system or organisation to collapse or fail
Her husband's violent act last night was the straw that broke the donkey's back and she left him