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