I've been doing this job for 25 years, and I tell you you're going to stuff it up doing things this way.
我干了这工作已有25年了,告诉你,你这样做事情,会把事情办糟的。
For years he has been asking me to collect snails from my garden and take them to him.
多年来,他一直让我把我园子里的蜗牛收集起来给他捎去。