The Devil is poised to pounce, and would like nothing better than to catch you napping.
魔鬼正作势突袭，没有一件事比擒获打盹的人更令他高兴。
2
Don't let the boss catch you napping! Stevenson would have loved to find any excuse to get me fired, but I was wise to him and wasn't going to be caught napping.