【法】 bona; bona fides

1. 他很真誠，不由得我不信任他。
   His sincerity inclines me to trust him.
2. 我確信他做事真誠。
   I'm sure he acted in good faith.
3. 我真誠地希望他能接受別人的批評。
   I sincerely hope that he can accept the criticism of others.
4. 我肯定他是真誠的。
   I'm certain about his sincerity.
5. 他使我確信他的真誠。
   He convinced me of his sincerity.
6. 我可以非常真誠地說，你一直是我最忠實(shí)的朋友。
   I may say in all sincerity that you have been my most loyal friend.

真的英語翻譯：