Tā / shì / xiū / lǐ / zhè / zhǒng / jī / qì / de / shú / shǒu / jǐ / fēn / zhōng / jiù / zhǎo / dào / le / wèn / tí。

他是修理这种机器的熟手，几分钟就找到了问题。

He is experienced at repairing this kind of machine and found the problem in just a few minutes.