tā / suīrán / qiānxū / de / shuō / zhè / zhǐshì / diāochóngxiǎojì / dàn / shíjìshàng / huā / le / hěnduō / gōngfu

他虽然谦虚地说这只是雕虫小技，但实际上花了很多功夫。

Although he modestly said it was just a minor skill, he actually put in a lot of effort.