foible

My grandfather always carries his watch in his pocket; it's a foible of his.

我的祖父总是把手表放在口袋里, 这是他的一种怪习性.

——辞典例句

You could do Ebay , or dating or indulge another foible of choice.

你可以上eBay购物, 或者约会,或者纵容另外一个弱点.

——期刊摘选

I should never attempt to palliate my own foible by expose the error of another.

我从不想暴露别人的错误,以图减轻自己的缺点.

——期刊摘选