推销员在商场门口拦住我，非要向我介绍他们的新产品。

The salesman ___buttonholed me at the mall entrance, insisting on introducing their new products.

这件衬衫的扣眼有点紧，我很难扣上纽扣。

The ___buttonhole on this shirt is a bit tight, making it hard to fasten the button.