“grimacing”造句，怎麼用grimacing造句

At first there was a lot of grimacing with their teeth showing because it was probably the first time they had ever seen a reflection.

Liu was the most popular sportsman in China and his grimacing departure clouded the Games for millions of home fans.

When we reached Pisa and its charmingly goofy tower, each of us took turns standing at the perfect spot, grimacing, arms outstretched, for the photo of ourselves holding up the tower.