底蕴: inside information, concrete details...
修正: to revise, to amend...
中立: neutral, neutrality...
骑: to sit astride, to ride (a horse, bike etc), classifier for saddle horses...
当之无愧: fully deserving, without any reservations (idiom); entirely worthy (of a title, honor etc)...
名牌: famous brand, nameplate, name tag...