Zhè zuò gāodà de jiànzhù yǐjīng yǒu yī bǎi nián le.
This imposing building is already a hundred years old.
Tips
usage
高大 can be literal (physically tall and large — people, buildings, trees) or figurative (noble, admirable). The internet slang 高大上 (gāo dà shàng, short for 高端大气上档次) means 'high-end and classy.'
usage
Compare with 矮小 (ǎixiǎo, short and small) — the direct opposite.