hunt up
search for（sth． hidden or difficult to find）寻找；搜寻
The doctor is hunting up the names of several Chinese herbs in the botanical dictionary．这位医生正 在植物学词典里查找几种中草药 的学名。
She is hunting up references for his writing．她正在寻找写作的参考 资料。
Where did you hunt all those details．up？你是在哪儿查明所有那 些细节的？