他一直在偷偷往鞋盒里藏钱，准备将来买辆车。

He's been ___squirreling money into a shoebox to buy a car someday.

看到老师走过来，那个学生慌乱地把手机塞进了抽屉。

When the teacher approached, the student was ___squirreling his phone into the drawer nervously.