nap2 verb (napped, napping) [intransitiveI] 1 be caught napping informalREADY to not be ready to deal with something when it happens, although you should be ready for it 没有防备,一不留神 The German team were caught napping and Lampard scored the winning goal. 趁德国队一不留神,兰帕德攻入了制胜的一球。
2. SLEEPto sleep for a short time during the day 〔在白天〕小睡,打盹