がんじょう頑丈ganjou
1.
Describes a person or object that appears robust and unlikely to break or fail even after repeated use, conveying a sense of reliability and durability.
2.
Refers to the physical strength and impressive build of someone or something, indicating a high level of resilience and sturdiness in form and structure.
Example:
これは掛けるのにたいそう頑丈ないすだ。