go under the knife

意味

to have a medical operation

手術を受ける.

例文

1. 1My uncle is going under the knife next week to fix his knee.
2. 2Priya was nervous about going under the knife, but the surgery went smoothly.
3. 3After years of back pain, Tom finally agreed to go under the knife.
4. 4The surgeon will explain the risks to you before you go under the knife.
5. 5Our cat has gone under the knife twice this year, so the vet bills are huge.

文法

形が変わるのは go だけ：went、gone。be under the knife は手術を受けている最中を表す。