那时候，阿诺德不赞成如此的轻浮行为。

At the time, Arnold had disapproved of such levity.

《柯林斯英汉双解大词典》

但是，人的行为有高雅和卑贱、稳重与轻浮、文明和庸俗、体面和羞耻、有涵养和缺乏教养之分。

However, the ACTS are elegant and lowly, prudent and frivolous, civilizations and vulgar, decent and shame, decency and Kuifajiaoyang of points.

youdao

你的誓言全破碎了， 你的行为如此轻浮： 人家提起你的名字， 我听了也感到羞辱。

Thy vows are all broken, And light is thy fame: I hear thy name spoken, And share in its shame.

youdao