sneakier
adj. 鬼祟的,卑鄙的( sneaky的比较级 )
If you describe someone as sneaky, you disapprove of them because they do things secretly rather than openly.
It is a sneaky and underhand way of doing business...
这种做生意的方式偷偷摸摸,遮遮掩掩。
One kid can generally tell when another kid is sneaky.
一个小孩鬼鬼祟祟地在干什么事情的时候,通常另一个小孩可以判断出来。