He acknowledged his mistake with a wry grimace.

他怪怪的表情，算是认错。

She grimaced at the sight of all the work.

她一看到这么多工作，就皱起眉头来。

Thomas made a little grimace, perhaps he thought the wine was sour.

托马斯微微皱起眉头可能是他认为酒发酸。

The clown grimaced at the children.

小丑向孩子们鬼脸。