坚固 (jiān gù): Firm (Adjective) — Meaning & Stroke Order

This box is very sturdy.

This bridge is built to be strong and can bear heavy loads.

Although this new material is lightweight, its structure is far less sturdy and durable than traditional steel.

The foundation of trust between them is very solid, so their collaboration is always highly efficient.

Their friendship has remained strong through years of trials.

This building is not only beautifully designed, but its foundation is also very solid, capable of withstanding strong earthquakes.