tā huítóu kàn le yīyǎn ， lǐshīfù yǐjīng yòu dīxiàtou ， zài dēng xià kàn lìngyīzhī biǎole 。

她回头看了一眼，李师傅已经又低下头，在灯下看另一只表了。

She glanced back; Master Li had already lowered his head to look at another watch under the lamp.