In all honesty/frankness/sincerity,ie speaking with the greatest honesty,etc
最诚实地/坦白地/真诚地
It was Gordius, the faithfulest workingman in all that country.
他叫戈迪阿斯，是全国最诚实的劳动者。
Even really honest people are often made to feel guilty.
甚至是最诚实的人也常弄得觉得有罪似的，
Honesty is his most salient characteristic.
诚实是他最显著的特点。
The thing about her is that she is completely honest.
她这个人最重要一点就是十分诚实.
The thing about her be that she is completely honest
她这个人最重要一点就是十分诚实
An Insurance contract be uberrimae fideI .
保险合同是最坦率诚实的。
He is strong, brave and, above all, honest.
他强壮,勇敢,最重要的是他诚实。
Is honesty the best policy ?
诚实是不是处世的最佳原则?
What is the quality you most like in a woman? Honesty.
女人身上你最喜欢的特质是？诚实。
To work honestly pays off in the long run.
从长远看，诚实劳动最终是有好结果的。
We shall try our best in all sincerity to realize the peaceful reunification of our motherland.
以最大的诚意、尽最大的努力实现祖国和平统一。
He is required to exercise the utmost good faith, loyalty, and honesty toward his principal.
他被要求以对本人最大的善意、忠诚以及诚实来行使代理权。
Thank you very much(ever so much / most sincerely / indeed / from the bottom of my heart).
非常(非常非常，最真诚地，确实，衷心地)感谢您。
I believe in a work ethic of perserverance and hard work.
我认为在工作过程中，最重要的是耐性和诚实。
If you're honest men, bring your youngest brother here,
如果你们诚实的话，就将你们最年幼的弟弟带来，
Thank you very much ( very, very much) (ever so much) (most sincerely) (indeed) (from the bottom of my heart).
很（非常）（非常非常）（最真诚地）（确实）（衷心）感谢您。
An honest tale speeds best, being plainly told.
诚实的故事，哪怕是平淡地讲，也传得最快。