He had to go under the knife for an emergency appendectomy
The patient was nervous before they had to go under the knife
Many people have to go under the knife to repair injuries
She's scheduled to go under the knife next month for a knee replacement
After the accident, the doctor said he would need to go under the knife
It's a common procedure, so don't worry too much about going under the knife
The athlete feared they would have to go under the knife and miss the season
My grandmother had to go under the knife to fix a heart valve
If the medication doesn't work, you may have to go under the knife
It’s a significant surgery, but going under the knife is often the best solution
I am so nervous about this surgery.
It is a big deal to go under the knife.
I hope everything turns out well.
He had to go under the knife for a serious operation
He required surgery for his condition
Doctors had to perform an operation on him