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
early or late 迟早
young and old 老老少少
thick and thin 赴汤蹈火
early and late 从早到晚
not very new nor old 半新不旧
ups and downs 沉浮
to and fro 来回地
the rights and wrongs 是非曲直
the ins and outs 来龙去脉
