"Maybe get a look at what's sneaking under the door."
Aren't you afraid I'll sneak him away from under your nose even now?
Was it possible that he would be able to sneak back to her under the cover of the blizzard?
Several times, we watched as whole families sneaked under ropes and pushed ahead in line.
"This is exactly the kind of bill they would try to sneak under the radar."
It had been useful, too, to sneak into the building under the simple pretext of a drug buy.
"They sneaked a sub in under cover of the missile action."
Come on; I know that last upgrade let you sneak it under their monitors.
You sneak in now under cover of darkness and find where she is.
"They got lucky on a couple of goals, just sneaked under me."