lǎoyézi xiū biǎo xiūle sìshí nián, zài quānzi lǐ dōu jiào tā yī shēng dàshī

老爷子修表修了四十年，在圈子里都叫他一声大师。

The old man has been repairing watches for forty years, and everyone in the circle addresses him as a master.