tā chāikāi biǎoké ， yòng nièzi jiāchū jǐgè xiǎo língjiàn ， fàngjìn yígè xiǎowǎn lǐ ， yòu ná qǐ máobǐ ， zhàn le yìdiǎn yóu ， qīngqīng diǎn zài chǐlún shàng 。

他拆开表壳，用镊子夹出几个小零件，放进一个小碗里，又拿起毛笔，蘸了一点油，轻轻点在齿轮上。

He opened the case, lifted out a few tiny parts with tweezers into a small bowl, then dipped a brush in oil and lightly touched the gears.