gloom郁闷; yawn打哈欠; brood沉思; stupefied目瞪口呆的; poker-faced面无表情的; snicker窃笑; grin露齿笑， smirk假笑，傻笑; simper傻笑，假笑; beam堆满笑容; pout噘嘴; flush脸红; frown 皱眉; leer抛媚眼; glare瞪眼; glower怒视; grimace做鬼脸