not prepared or vigilant;
"the blow caught him napping"
"caught in an off-guard moment"
"found him off his guard"
- A blanket fabric made of low-grade woolen cloth with a nap on both sides.
- Don't let the boss catch you napping!
- A napped wool fabric, similar to felt, used for outer garments.
- A device used to raise the nap on a fabric.
- catch someone napping 发现某人在打瞌睡...