root around (somewhere)
phrasal verb with root verb uk/ruːt/ us/ruːt/
informal (UK also root about (somewhere), root round (somewhere))
（尤指在其他物品中）翻找，翻寻
to search for something, especially by looking through other things
She was rooting around in her drawer for a pencil. 她在抽屉中翻找铅笔。