一件

yī jiàn yī fu

一件衣服

a piece of clothing

chéng kè yǔn xǔ xié dài yī jiàn shǒu tí xíng li

乘客允许携带一件手提行李。

Passengers are allowed one item of hand luggage each.

yī jiàn yì shù pǐn

一件艺术品

a piece of art