come and go往来; now yes, now no出尔反尔; from start to finish自始至终; here and there到处; up and down上上下下; in and out进进出出; day and night日日夜夜地; early or late迟早; young and old老老少少; rain or shine不论晴雨/无论如何; not very new nor old半新不旧
