tā / jiě / shì / le / hěn / jiǔ / jiǎn / ér / yán / zhī / jiù / shì / yào / wǒ / men / nài / xīn / děng / dài他解释了很久,简而言之就是要我们耐心等待。He explained for a long time; in short, he wants us to wait patiently.