used to describe a piece of clothing that fastens with a row of buttons up the front

The server uniform was dark denim jeans, a button-up shirt with any striped pattern, and a pair of trainers. 服务员的制服是深色牛仔裤、条纹纽扣衬衫和运动鞋。

I had to wear this button-up blouse with huge cuffs and bows. 没办法我只能穿上这件有着巨大袖口和蝴蝶结的纽扣衬衫。

a shirt or jacket that fastens with a row of buttons up the front

He was looking elegant in nicely fitting jeans, a black button-up, and a slim-cut black blazer. 他穿着合身的牛仔裤、黑色纽扣衬衫和修身的黑色西装外套，看起来很优雅。