★frank[fræŋk]adj.坦白的；frankly['fræŋkli]adv.坦白地。现将其常见  用法介绍如下：

to be frank

=to be frank with you

=frankly

=frankly speaking——坦白说，老实说

（注：使用时多置于句首，之后置逗号，修饰全句。）

★实战演练：

John hurt Sally's feelings by being too frank.

约翰太坦白而伤了莎莉的心。

To be frank,I don't like your idea.

=To be frank with you,I don't like your idea.

=Frankly,I don't like your idea.

=Frankly speaking,I don't like your idea.

坦白地说，我不喜欢你的构想。

To be frank,though,he no less than I enjoys looking at the beautiful“scenery”around the beach.

不过坦白地说，他和我都喜欢欣赏海滩那儿的美“景”。

To be frank with you,I don't care much for material comforts.

坦白地说，我并不太在乎物质享受。

Frankly,you should work harder.

坦白地说，你应该加倍努力。

Frankly speaking,I don't see what you can possibly accomplish here.

坦率地说，我看不出你在这儿能干出什么来。

——What do you think of the food at that restaurant?

——To be frank,it's terrible. 

——你觉得那家餐馆的饭菜如何？

——老实说，我觉得很糟糕。

——I failed my test.            

——Frankly speaking,I'm not surprised.You never study.

——我考试没通过。

——坦白说，我并不惊讶。你从不念书。