v.微笑（动词smile的过去式和过去分词形式）
The old man smiled sadly when he remembered the follies of his youth. 这老人想起年轻时的荒唐事，不禁苦笑。
He came towards me, smiled and offered his hand. 他向我走来，微笑著伸出手来和我握手。
The exhausted mother smiled at the wail of her newborn baby. 听到新生儿的哭叫声，倦极了的母亲笑了。
First of all she just smiled, then she started to laugh. 最初她只是微笑，後来才放声大笑。
The actors and actresses smiled and waved at the conclusion of the performance. 男女演员在演出结束时微笑着招手示意。
I passed her in the street but she didn't even acknowledge me when I smiled. 我在街上遇到她，可是当我向她微笑时，她却连招呼都没有向我打一个。
