cast-iron
Definition
Made of strong iron; also, something that is dependable or unchangeable.
한국어 강철로 만들어진다; 또는 변하지 않는다.
Example
"She has cast-iron willpower when it comes to sticking to her goals."
Made of strong iron; also, something that is dependable or unchangeable.
한국어 강철로 만들어진다; 또는 변하지 않는다.
"She has cast-iron willpower when it comes to sticking to her goals."