Mr. Carlson is busy at the moment. May I help you?
Carlson先生现在正忙着呢。我可以为你效劳吗?
Don't have thy cloak to make when it begins to rain.
切莫临时抱佛脚。
I think it would be a good idea to have comments from secretaries and typists who are already using it. Then they can express their satisfaction with the product.