keep up 的用法

keep up

坚持; 维持; 继续; 不低落; 不为(疾病等)所屈;【刷】用大写正体排印

keep up with

跟上, 不落后; 与...并肩前进

与...保持接触

keep it up

不松劲，照原样继续下去

keep one's end up

精神饱满地对付

keep up appearances

装门面

keep up appearance

【法】虚饰外表

keep up one's spirits

振作精神

keep up to date

使记到最近时期；使跟上时代

keep one's chin up

不气馁