Good mannered dresses neatly and has an aristocratic appearance.

精明能干，穿着端庄，具有贵族风范的人。

youdao

Apart from his appearance, he has a good temper and good mannered.

长相之外，脾气很好，举止得体。

youdao

We have found in him a man of trained hand, eye, and brain; disciplined and good mannered.

我们发现他是一个训练有素的人，有手艺、有眼光、有头脑，同时也具有良好的修养，彬彬有礼。

youdao

The hearing was fairly conducted, and the small victory for common sense that resulted was sadly not met by a good mannered apology or even good grace from the local authority: for shame!

BBC: Parking - Your Thoughts