keep sb up的意思是：v.使迟睡。
一、网络释义点此查看keep sb up的详细内容
?使迟睡
... keep to sth 履行诺言，自己 keep sb up使迟睡 keep it up继续下去而不松弛 ...
keep sb up的相关临近词
keep on、keep、keep head against、keep in step with、keep a good heart、keep out the cold、keeping formation、keep abreast with、keep account with、Keep to ones post、keep public order