aufrichtig Englisch:

It has to be said it was rather ingenuous of him to ask a complete stranger to take care of his luggage.

Mary is an ingenuous student.

He is usually straightforward and sincere and thereby gains the confidence of those who meet him.

To become trustworthy people, we must be sincere.

The charity sent out sincere thanks to the public for all the help it had received for the victims of the famine.

Sincere apologies.

Imitation is the sincerest form of flattery.

Wishing to be sincere in their thoughts, they first extended to the utmost their knowledge. Such extension of knowledge lay in the investigation of things.

She gave me such a sincere welcome that I was at home with her immediately.

You have always been a sincere friend, thank you!

My children make pathetically sincere efforts to get up early.

We lay emphasis on the importance of being sincere.

Looking for somebody sincere, open-minded, thoughtful.

Overall, sincere congratulations to the rapporteurs and thank you very much for the cooperation.

The former England coach, were at the High Court in London to hear the News of the World offer its 'sincere apologies'.

If you want to build rapport with someone, it’s important to be sincere. People like to know that you mean what you say.