tā / zài / xīn / gǎng / wèi / shàng / xiǎo / shì / niú / dāo / hěn / kuài / jiù / jiě / jué / le / zhè / ge / jí / shǒu / de / wèn / tí

他在新岗位上小试牛刀，很快就解决了这个棘手的问题。

He showed his abilities in his new position and quickly solved this tricky problem.