He fumbled with his papers during the interview and even dropped his resume on the floor.

fumbled 是动词 fumble 的过去式，意思是"笨拙地摸索/翻找"，常用来形容因紧张或缺乏经验而手忙脚乱的动作。这个词带有"不熟练""慌乱"的隐含意味。