The flippancy of your answer peeved me.

你轻率的回答令我懊恼。

youdao

He was disconsidered with his friends for his flippancy.

他因言行轻浮而失去朋友的尊重。

youdao

Now we must recover the flippancy, solid football to start with children.

现在的我们必须收回浮躁的心态，扎扎实实的将足球从娃娃抓起。

youdao

It's perhaps another factor in explaining doctors' reliance on drink and flippancy about the health effects.

BBC: NEWS | UK | Magazine | Why do doctors drink so much?

But if Waugh was unspooling the flippancy of youth in order to be done with it, his wife was spinning it toward disaster.

FORBES: Not So Bright Young People

The two British boats, by the way, were initially to be called Cat and Dog but that was thought to be too flippant - the Admiralty in London at the time was not into flippancy.

BBC: Hope yet for African Queen gunboat on Lake Tanganyika