Definition
to remove a portion of something by using a sharp instrument
切掉；砍下；削去
He had to chop off the injured finger.
他不得不切掉受傷的手指。
Please chop off the spoiled parts before cooking.
在烹飪前請切掉壞掉的部分。
The doctor advised him to chop off the tumor.
醫生建議他切掉腫瘤。