Facing the simpering waiter, I lost my appetite and didn't want to eat anything.

面对这个满脸假笑的侍应生，我掉了胃口，什么东西也吃不下去了。

And then there's Hermione, simpering with jealously but determined not to show her feelings.

然而赫敏出于嫉妒地带着假笑，但是却铁了心不把自己的真实情感表露出来。

He saw the weak and sickly faces of the girls of the factories, and the simpering, boisterous girls from the south of Market.

他看见工厂女工们菜色的衰弱的脸，市场南面的妇女们痴笑的喧嚣的脸。