【基础过关】to be honest说实话
To be honest,I am not satisfied with what you did.
说实话,我对你做的事不满意
To be honest,I know nothing about him except that he is from America.
老实告诉你,我只知道他是一位美国人
【拓展延伸】
to be honest=honestly speaking 说实话
to be frank=frankly speaking 坦率地说
to be exact=exactly speaking 确切地说
to tell you the truth 实话告诉你
to make things worse 更糟的是