suī / rán / yǐ / jīng / tuì / xiū / duō / nián / tā / de / shū / fǎ / shuǐ / píng / réng / rán / bù / jiǎn / dāng / nián

虽然已经退休多年，他的书法水平仍然不减当年。

Although he has been retired for many years, his calligraphy is still as good as ever.