坚实 + 的 + Noun
The adjective 坚实 (jiānshí) means "solid," "firm," or "sturdy" and describes something that is strong and resistant to damage or pressure. It can be used for both physical objects and abstract concepts like foundations or arguments. Use 坚实 to emphasize the strength and reliability of something.
这栋大楼的地基非常坚实,能抗八级地震。
Zhè dòng dàlóu de dìjī fēicháng jiānshí, néng kàng bā jí dìzhèn.
The foundation of this building is very solid and can withstand a magnitude 8 earthquake.
多年的训练为她打下了坚实的基础。
Duō nián de xùnliàn wèi tā dǎxià le jiānshí de jīchǔ.
Years of training laid a solid foundation for her.
这张桌子很坚实,用了二十年都没坏。
Zhè zhāng zhuōzi hěn jiānshí, yòng le èrshí nián dōu méi huài.
This table is very sturdy; it hasn't broken after twenty years of use.