1） More haste, less speed 欲速則不達
I had to send the email twice because I forgot to add the attachment. More haste, less speed!
2） Every flow must have its ebb 人有悲歡離合，月有陰晴圓缺
I would not worry too much because we always lose money this quarter and then earn back later in the year. Every flow must have its ebb.
3） Great minds think alike 英雄所見略同
The two of us had the same idea at the same time. Well, great mind thinks alike!
4） It is never too late to mend 亡羊補牢，為時未晚
I know you haven’t talked to Jenny in years, but it is never too late to mend. Why don’t you try calling her?
5） Seeing is believing 百聞不如一見
I never thought Mark would get out of bed before lunchtime on a Saturday, but seeing is believing!
6） New brooms sweep clean 新官上任三把火
The new president replaced most of the people in our team. New brooms sweep clean!
7） Keep something for a rainy day 未雨綢繆
I save a portion of my wages each month for a future rainy day.
8） Let bygones be bygones 既往不咎
They decided to let bygones be bygones and made peace with each other.