說到笑容，首先要解釋一下，smile 是指沒有笑出聲音的笑容，而 laugh 則是有發出聲音的笑。基本款搞清楚之後，來學點進階版的：
knowing smile 會心一笑
My friend nodded and gave me a knowing smile.
The two boys smiled at each other knowingly. 那兩個男孩很有默契的相視而笑。
The students snickered behind the teacher’s back.
furtive smile 偷笑
The shy little girl gave him a furtive smile.
laugh out loud 哈哈大笑
I laughed out loud when I saw that funny video.
laugh heartily 哈哈大笑
The audience laughed heartily at the comedian’s joke.
wry smile 苦笑
When I asked about Roger’s divorce, he just gave me a wry smile.
He just smiled wryly when I asked about his divorce. 我問他有關離婚的事，他只對我苦笑。
laugh bitterly 苦笑
The man laughed bitterly as he talked about his troubled past. 說到自己不堪回首的往事,那男子苦笑了ㄧ聲。
What are you smirking about?你笑得那麼賊是為什麼？
Wipe that smirk off your face! 卸下你那虛假的笑容！
Brad always sneers at the way I dress.布萊德總是對我的穿著嗤之以鼻。
She looked at him with a sneer of disgust. 她一臉厭惡的看著他冷笑。
Jane always giggles when she gets nervous.小珍緊張時都會傻笑。
Monica’s annoying giggle is driving me crazy. 莫妮卡惱人的咯咯笑聲快把我逼瘋了。
Bill chuckled as he read the story.比爾在讀那個故事的時候暗自發笑。
That comic strip is always good for a chuckle. 那則連環漫畫總是令人發噱。
photo credit: kropekk_pl