短语
乘人不备
catch someone napping
;
catch a weasel asleep
;
to take advantage of sb in an unguarded moment
;
to take sb by surprise
乘其不备
take advantage of somebody's unpreparedness
乘其不备地攻占
take by surprise
乘人不备时拍的
Unposed Photo
乘敌不备
take the enemy unawares
乘某人不备
catch sb. off guard