Forgive me if I'm wrong, but haven't we met before.
如果我弄错的话请原谅我,我们以前见过面吧?
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩,为时已晚;贼去关门,为时已迟。
The administrative overheads of a business are low to the extent that everyone working in the business can be trusted to behave in a way that best promotes the interests of the firm.