kèrén bǎ biǎodì jìnlái ， tā xiāndài shàng yígè xiàng yǎnjìng yīyàng de fàngdàjìng ， bǎbiǎo fàngzài dēngxià ， zhuǎndòng shǒuwàn ， kàn lǐmiàn de chǐlún 。

客人把表递进来，他先戴上一个像眼镜一样的放大镜，把表放在灯下，转动手腕，看里面的齿轮。

When a customer hands in a watch, he puts on an eyeglass-like magnifier, places the watch under the lamp, and turns his wrist to inspect the gears.