那个小偷鬼鬼祟祟的，行为举止像老鼠一样。

The thief moved in a ___rat-like manner, sneaking around silently.

那个男人鬼鬼祟祟的老鼠般行为引起了警察的注意。

The man's ___rat-like sneaky behavior caught the police's attention.